Ajani, Phyrexia's Scourge

+2: Ajani deals X damage to up to 5 targets where X is the number of artifacts your opponents control.
-2: Exile up to X target artifacts where X is half the number of creatures with power 5 or greater you control rounded down.
-11: Exile all artifacts your opponents control. You create a 5/5 cat warrior token for each card exiled this way.