diff --git a/backend/package-lock.json b/backend/package-lock.json
index b1d6d1891..4ca2b90b3 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.0.1",
       "dependencies": {
         "@silvia-odwyer/photon-node": "^0.3.1",
+        "baseroo": "^1.2.0",
         "bufferutil": "^4.0.3",
         "clinic": "^13.0.0",
         "cors": "^2.8.5",
@@ -1528,6 +1529,14 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/baseroo": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/baseroo/-/baseroo-1.2.0.tgz",
+      "integrity": "sha512-sRLKZGqz42S+BB5uX1OGLwFB3r7a1GlL09qwd+xtb0jAiiSOHPLf/IHu/CL8NcboizJx79SOs9X7K4c8qbfXlw==",
+      "dependencies": {
+        "make-error": "^1.3.6"
+      }
+    },
     "node_modules/bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
@@ -5799,6 +5808,11 @@
         "semver": "bin/semver.js"
       }
     },
+    "node_modules/make-error": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
+      "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw=="
+    },
     "node_modules/manage-path": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/manage-path/-/manage-path-2.0.0.tgz",
diff --git a/backend/package.json b/backend/package.json
index 2ff53482a..50bf6a30c 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -30,6 +30,7 @@
   },
   "dependencies": {
     "@silvia-odwyer/photon-node": "^0.3.1",
+    "baseroo": "^1.2.0",
     "bufferutil": "^4.0.3",
     "clinic": "^13.0.0",
     "cors": "^2.8.5",
diff --git a/backend/src/plugins/Tags/docs.ts b/backend/src/plugins/Tags/docs.ts
index bc1608bbd..0cf2ed7e1 100644
--- a/backend/src/plugins/Tags/docs.ts
+++ b/backend/src/plugins/Tags/docs.ts
@@ -7,7 +7,7 @@ export function generateTemplateMarkdown(definitions: TemplateFunction[]): strin
       const usage = def.signature ?? `(${def.arguments.join(", ")})`;
       const examples = def.examples?.map((ex) => `> \`{${ex}}\``).join("\n") ?? null;
       return trimPluginDescription(`
-        ## ${def.name}
+        ## ${def.name}${def.plugin ? ` (${def.plugin})` : ""}
         **${def.description}**\n
         __Usage__: \`{${def.name}${usage}}\`\n
         ${examples ? `__Examples__:\n${examples}` : ""}\n\n
diff --git a/backend/src/plugins/Tags/templateFunctions.ts b/backend/src/plugins/Tags/templateFunctions.ts
index 67a490690..d30657e88 100644
--- a/backend/src/plugins/Tags/templateFunctions.ts
+++ b/backend/src/plugins/Tags/templateFunctions.ts
@@ -107,6 +107,20 @@ export const TemplateFunctions: TemplateFunction[] = [
     arguments: ["string"],
     examples: ['upperFirst("hello World")'],
   },
+  {
+    name: "strlen",
+    description: "Returns the length of a string argument",
+    returnValue: "number",
+    arguments: ["string"],
+    examples: ['strlen("Hello World")'],
+  },
+  {
+    name: "arrlen",
+    description: "Returns the length of an array argument",
+    returnValue: "number",
+    arguments: ["array"],
+    examples: ['arrlen(["Hello", "World"])'],
+  },
   {
     name: "rand",
     description: "Returns a random number between from and to, optionally using seed",
@@ -121,6 +135,27 @@ export const TemplateFunctions: TemplateFunction[] = [
     arguments: ["number", "decimalPlaces"],
     examples: ["round(1.2345, 2)"],
   },
+  {
+    name: "ceil",
+    description: "Rounds a number up to the next integer",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["ceil(1.2345)"],
+  },
+  {
+    name: "floor",
+    description: "Rounds a number down to the next integer",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["floor(1.2345)"],
+  },
+  {
+    name: "abs",
+    description: "Returns the absolute of a number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["abs(-1.2345)"],
+  },
   {
     name: "add",
     description: "Adds two or more numbers",
@@ -149,6 +184,120 @@ export const TemplateFunctions: TemplateFunction[] = [
     arguments: ["number1", "number2", "..."],
     examples: ["div(6, 2)"],
   },
+  {
+    name: "sqrt",
+    description: "Calculates the square root of a number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["sqrt(5)"],
+  },
+  {
+    name: "cbrt",
+    description: "Calculates the cubic root of a number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["cbrt(50)"],
+  },
+  {
+    name: "exp",
+    description: "Raises a number to the power of another number",
+    returnValue: "number",
+    arguments: ["base", "power"],
+    examples: ["exp(2, 3)"],
+  },
+  {
+    name: "sin",
+    description: "Returns the sine of a number in radians",
+    returnValue: "number",
+    arguments: ["radians"],
+    examples: ["sin(2)"],
+  },
+  {
+    name: "sinh",
+    description: "Returns the hyperbolic sine of a number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["sinh(1)"],
+  },
+  {
+    name: "tan",
+    description: "Returns the tangent of a number in radians",
+    returnValue: "number",
+    arguments: ["radians"],
+    examples: ["tan(1.5)"],
+  },
+  {
+    name: "tanh",
+    description: "Returns the hyperbolic tangent of a number in radians",
+    returnValue: "number",
+    arguments: ["radians"],
+    examples: ["tanh(1.5)"],
+  },
+  {
+    name: "cos",
+    description: "Returns the cosine of a number in radians",
+    returnValue: "number",
+    arguments: ["radians"],
+    examples: ["cos(1.5)"],
+  },
+  {
+    name: "cosh",
+    description: "Returns the hyperbolic cosine of a number in radians",
+    returnValue: "number",
+    arguments: ["radians"],
+    examples: ["cosh(1.5)"],
+  },
+  {
+    name: "hypot",
+    description: "Returns the square root of the sum of squares of it's arguments",
+    returnValue: "number",
+    arguments: ["number1", "number2", "..."],
+    examples: ["hypot(3, 4, 5, 6)"],
+  },
+  {
+    name: "log",
+    description: "Returns the base e logarithm of a number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["log(3)"],
+  },
+  {
+    name: "log2",
+    description: "Returns the base 2 logarithm of a number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["log2(3)"],
+  },
+  {
+    name: "log10",
+    description: "Returns the base 10 logarithm of a number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["log10(3)"],
+  },
+  {
+    name: "log1p",
+    description: "Returns the base e logarithm of a 1 + number",
+    returnValue: "number",
+    arguments: ["number"],
+    examples: ["log1p(3)"],
+  },
+  {
+    name: "const",
+    description: "Get value of math constants",
+    returnValue: "number",
+    arguments: ["constant_name"],
+    examples: [
+      "const(pi)",
+      "const(e)",
+      "const(sqrt2)",
+      "const(sqrt0.5)",
+      "const(ln10)",
+      "const(ln2)",
+      "const(log10e)",
+      "const(log2e)",
+    ],
+  },
   {
     name: "cases",
     description: "Returns the argument at position",
@@ -163,4 +312,137 @@ export const TemplateFunctions: TemplateFunction[] = [
     arguments: ["argument1", "argument2", "..."],
     examples: ['choose("Hello", "World", "!")'],
   },
+  {
+    name: "map",
+    description: "Returns the value of the key of object, array or single value",
+    returnValue: "any",
+    arguments: ["object | array", "key"],
+    examples: ['map(user, "id")'],
+  },
+  {
+    name: "trim_text",
+    description: "Trims all non-numeric characters from a string",
+    returnValue: "string",
+    arguments: ["string"],
+    examples: ['trim_text("<@!344837487526412300>")'],
+  },
+  {
+    name: "convert_base",
+    description: "Converts a value from <origin> base to <dest> base",
+    returnValue: "string",
+    arguments: ["value", "origin", "dest"],
+    examples: ['convert_base("256", "10", "2")'],
+  },
+  {
+    name: "tag",
+    description: "Gets the value of another defined tag",
+    returnValue: "string",
+    arguments: ["tagName"],
+    examples: ['tag("tagName")'],
+    plugin: "tags",
+  },
+  {
+    name: "get",
+    description: "Gets the value of a saved variable",
+    returnValue: "any",
+    arguments: ["variable"],
+    examples: ['get("variable")'],
+    plugin: "tags",
+  },
+  {
+    name: "set",
+    description: "Sets the value of a saved variable",
+    returnValue: "none",
+    arguments: ["variableName", "value"],
+    examples: ['set("variableName", "value")'],
+    plugin: "tags",
+  },
+  {
+    name: "setr",
+    description: "Sets the value of a saved variable and returns it",
+    returnValue: "any",
+    arguments: ["variableName", "value"],
+    examples: ['setr("variableName", "value")'],
+    plugin: "tags",
+  },
+  {
+    name: "parseDateTime",
+    description: "Parses a date string/unix timestamp into a formated Date string",
+    returnValue: "string",
+    arguments: ["date"],
+    examples: ["parseDateTime(1643411583656)", 'parseDateTime("2020-01-01T00:00:00.000Z")'],
+    plugin: "tags",
+  },
+  {
+    name: "countdown",
+    description: "Returns a countdown string to target timestamp",
+    returnValue: "string",
+    arguments: ["timestamp"],
+    examples: ["countdown(1577886400000)"],
+    plugin: "tags",
+  },
+  {
+    name: "now",
+    description: "Returns the current timestamp",
+    returnValue: "number",
+    arguments: [],
+    examples: ["now()"],
+    plugin: "tags",
+  },
+  {
+    name: "timeAdd",
+    description: "Adds a delay to a timestamp",
+    returnValue: "number",
+    arguments: ["timestamp", "delay"],
+    examples: ['timeAdd(1577886400000, "1h")', 'timeAdd("1h")'],
+    plugin: "tags",
+  },
+  {
+    name: "timeSub",
+    description: "Subtracts a delay from a timestamp",
+    returnValue: "number",
+    arguments: ["timestamp", "delay"],
+    examples: ['timeSub(1577886400000, "1h")', 'timeSub("1h")'],
+    plugin: "tags",
+  },
+  {
+    name: "timeAgo",
+    description: "Alias for timeSub",
+    returnValue: "number",
+    arguments: ["delay"],
+    examples: ['timeAgo("2h")'],
+    plugin: "tags",
+  },
+  {
+    name: "formatTime",
+    description: "Formats a timestamp into a human readable string",
+    returnValue: "string",
+    arguments: ["timestamp", "formatStyle"],
+    examples: ['formatTime(now(), "YYYY-MM-DD HH")', 'formatTime(1577886400000, "YYYY-MM-DD")'],
+    plugin: "tags",
+  },
+  {
+    name: "mention",
+    description: "Converts a snowflake to a mention",
+    returnValue: "string",
+    arguments: ["snowflake"],
+    examples: ["mention('344837487526412300')"],
+    plugin: "tags",
+  },
+  {
+    name: "isMention",
+    description: "Checks if a string is a mention",
+    returnValue: "boolean",
+    arguments: ["string"],
+    examples: ['isMention("<@!344837487526412300>")'],
+    plugin: "tags",
+  },
+  {
+    name: "get_user",
+    description: "Tries to resolve a user from ID or mention",
+    returnValue: 'ResolvedUser || ""',
+    arguments: ["string"],
+    examples: ['get_user("<@!344837487526412300>")', "get_user(get_snowflake(args.0))"],
+    plugin: "tags",
+  },
 ];
diff --git a/backend/src/plugins/Tags/types.ts b/backend/src/plugins/Tags/types.ts
index 3a7eb2b32..433ac09e9 100644
--- a/backend/src/plugins/Tags/types.ts
+++ b/backend/src/plugins/Tags/types.ts
@@ -66,6 +66,7 @@ export interface TemplateFunction {
   returnValue: string;
   signature?: string;
   examples?: string[];
+  plugin?: string;
 }
 
 export const tagsCmd = guildPluginMessageCommand<TagsPluginType>();
diff --git a/backend/src/plugins/Tags/util/renderTagBody.ts b/backend/src/plugins/Tags/util/renderTagBody.ts
index e75a12cfc..e2b8b4033 100644
--- a/backend/src/plugins/Tags/util/renderTagBody.ts
+++ b/backend/src/plugins/Tags/util/renderTagBody.ts
@@ -1,6 +1,7 @@
 import { ExtendedMatchParams, GuildPluginData } from "knub";
 import { TemplateSafeValue, TemplateSafeValueContainer, renderTemplate } from "../../../templateFormatter";
-import { StrictMessageContent, renderRecursively } from "../../../utils";
+import { StrictMessageContent, UnknownUser, renderRecursively, resolveUser } from "../../../utils";
+import { userToTemplateSafeUser } from "../../../utils/templateSafeObjects.js";
 import { TTag, TagsPluginType } from "../types";
 import { findTagByName } from "./findTagByName";
 
@@ -39,6 +40,12 @@ export async function renderTagBody(
       if (emptyObject[name]) return;
       return !Object.hasOwn(dynamicVars, name) || dynamicVars[name] == null ? "" : dynamicVars[name];
     },
+    async get_user(str) {
+      if (!str || typeof str !== "string") return "";
+      const resolved = await resolveUser(pluginData.client, str);
+      if (resolved instanceof UnknownUser) return "";
+      return userToTemplateSafeUser(resolved);
+    },
     tag: async (name, ...subTagArgs) => {
       if (++tagFnCallsObj.calls > MAX_TAG_FN_CALLS) return "";
       if (typeof name !== "string") return "";
diff --git a/backend/src/templateFormatter.ts b/backend/src/templateFormatter.ts
index 11c179251..a4a11b1df 100644
--- a/backend/src/templateFormatter.ts
+++ b/backend/src/templateFormatter.ts
@@ -1,3 +1,4 @@
+import { convertBase } from "baseroo";
 import seedrandom from "seedrandom";
 import { get, has } from "./utils";
 
@@ -395,6 +396,10 @@ const baseValues = {
   ucfirst(arg) {
     return baseValues.upperFirst(arg);
   },
+  arrlen(arg) {
+    if (!Array.isArray(arg)) return 0;
+    return arg.length;
+  },
   strlen(arg) {
     if (typeof arg !== "string") return 0;
     return [...arg].length;
@@ -419,8 +424,21 @@ const baseValues = {
   },
   round(arg, decimals = 0) {
     if (isNaN(arg)) return 0;
+    if (typeof arg !== "number") arg = parseFloat(arg); // should be safe since we check above if it's not a number
     return decimals === 0 ? Math.round(arg) : arg.toFixed(decimals);
   },
+  floor(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.floor(parseFloat(arg));
+  },
+  ceil(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.ceil(parseFloat(arg));
+  },
+  abs(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.abs(parseFloat(arg));
+  },
   add(...args) {
     return args.reduce((result, arg) => {
       if (isNaN(arg)) return result;
@@ -448,6 +466,89 @@ const baseValues = {
       return result / parseFloat(arg);
     }, args[0]);
   },
+  exp(base, power) {
+    if (isNaN(base) || isNaN(power)) return 0;
+    return Math.pow(parseFloat(base), parseFloat(power));
+  },
+  sqrt(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.sqrt(parseFloat(arg));
+  },
+  cbrt(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.cbrt(parseFloat(arg));
+  },
+  sin(radians) {
+    if (isNaN(radians)) return 0;
+    return Math.sin(parseFloat(radians));
+  },
+  sinh(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.sinh(parseFloat(arg));
+  },
+  tan(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.tan(parseFloat(arg));
+  },
+  tanh(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.tanh(parseFloat(arg));
+  },
+  log(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.log(parseFloat(arg));
+  },
+  log2(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.log2(parseFloat(arg));
+  },
+  log10(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.log10(parseFloat(arg));
+  },
+  log1p(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.log1p(parseFloat(arg));
+  },
+  hypot(...args) {
+    if (!args.every((e) => !isNaN(e))) return ""; // TODO: Improve validation
+    return Math.hypot(...args.map((e) => parseFloat(e)));
+  },
+  cos(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.cos(parseFloat(arg));
+  },
+  cosh(arg) {
+    if (isNaN(arg)) return 0;
+    return Math.cosh(parseFloat(arg));
+  },
+  const(str) {
+    // math constants lmao :joy:
+    const math_constants = {
+      pi: Math.PI,
+      e: Math.E,
+      sqrt2: Math.SQRT2,
+      "sqrt0.5": Math.SQRT1_2,
+      ln10: Math.LN10,
+      ln2: Math.LN2,
+      log10e: Math.LOG10E,
+      log2e: Math.LOG2E,
+    };
+    if (typeof str !== "string") return "";
+    return math_constants[str.toLowerCase()] ?? "";
+  },
+  map(obj, key) {
+    return actualMap(obj, key);
+
+    function actualMap(obj, key, depth = 0) {
+      if (depth > 5) return "";
+      if (!obj || !key || typeof obj !== "object" || typeof key !== "string") return "";
+      if (Array.isArray(obj)) {
+        return obj.map((tobj) => actualMap(tobj, key, depth + 1));
+      }
+      return obj[key];
+    }
+  },
   cases(mod, ...cases) {
     if (cases.length === 0) return "";
     if (isNaN(mod)) return "";
@@ -458,6 +559,23 @@ const baseValues = {
     const mod = Math.floor(Math.random() * cases.length) + 1;
     return baseValues.cases(mod, ...cases);
   },
+  trim_text(str) {
+    if (!str || typeof str !== "string") return "";
+    return str.replaceAll(/[^\d]+/g, "");
+  },
+  get_snowflake(str) {
+    // couldn't find a better way of aliasing :(
+    if (!str || typeof str !== "string") return "";
+    return str.replaceAll(/[^\d]+/g, "");
+  },
+  convert_base(value, from, to) {
+    try {
+      if (typeof value === "number") value = value.toString();
+      return convertBase(value, from, to);
+    } catch (_) {
+      return "";
+    }
+  },
 };
 
 export async function renderTemplate(