Current Commands:

• /diff - show or change difficulty dynamically
• /difficulty - same as /diff
• /pvp - dynamically toggle the world PvP flag, useful for multiplayer battles such as Dewtroid's Airship Battles
• /thunder - starts a thunder storm in the current world
• /target - makes all hostile mobs target the specified player then teleports those mobs to the player (could use on griefers...or just for fun. Using on Griefers would most likely be redundant though as the command will do more block damage than most griefers)
• /mount - Allows you to mount other Players
• /effect - Adds Potion effects to the specified player
• /death - kills and immediately revives you
• /spawncj - spawns a creeper jockey ;)
• /hidefrom - hides you from the view of the specified player
• /freeze - Prevents the specified player from moving or breaking blocks
• /craft and /enchanting which open Respective Inventory Interfaces
• /console to run commands as console
• /usefulcmds to display version information
• /powerup to Make all Creepers Electrified
• /mobstream to Fire all Mobs out of yourself 1 by 1
• /nopickup to disable Item Pickup
• /buildanything to disobey standard Minecraft build rules (Warning: Global Flag)
• /launchmobs to launch all mobs into the air
• /launchplayer to launch players in the direction you are looking
• /invedit to edit another players inventory as though it is a chest