Tower of Doom

At the beginning of each upkeep put a chaos
counter on Tower of Doom.
At the start of the game gain 20 life.
At chaos counter 2 each player loses 10 life.
At chaos counter 5 create 5 treasure tokens.
At chaos counter 10 create 20 1/1 minion meme creature tokens that are all colors.
This can be your commander.