Jamal, Richest of Them All

Whenever Jamal, Richest of Them All attacks, create X 1/1 assassin tokens with (whenever this creature attacks, create a treasure token) where X is its power.
Alliance—Whenever another creature enters the battlefield under your control, choose one that hasn't been chosen this turn:
•Add {w}{u}{b}{r}
•Create 2 treasure tokens, then create a copy of target artifact or creature you control.
•Put a +1/1 counter on each creature you control.