Commands

vision: Gives the player night vision for the specified time. (editable in the config.yml)
spa: Gives the player speed mining for the specified time. (editable in the config.yml)
switch: Toggles the players gamemode. (Creative and Survival)
ragequit: Having a bad day? Let everyone know it...
anvil: Allows repairing of items will away for a anvil.
mbutcher: Clears the mobs in a desired area, up to and including 20 blocks.
nopickup: Keeps you from picking up items, useful for monster spawners.
mhat: Gives you a hat.
mhat select: A sub-command of mhat, Opens a inventory of hats you can selected, cannot be removed.
enchanting: Opens a portable enchanting table.
land: Teleports the user to a random area of land.
disposal: Opens a garbage chest.

Other Commands

Place [Land] on the top line of a sign and it will make the teleport command available on that sign, Its almost like magic...