George, Procrastinator

+2: take control of target creature with converted mana cost 3 or less, it gains haste.
-X: Create a 0/0 Black Joseph creature token with X +1/+1 counters on it, it has Annihilator 1.
-7: Create an Emblem with, "Whenever you draw a card, put a counter on this emblem. Take X counters off this emblem, deal X damage to any target."