Izmael, Bearer of Chaos

+1: Until end of turn, this card becomes a 5/5 Human Wizard that is still Planeswalker with "Tap this card, the next spell you cast has cascade".
-X: Deal half of X in damage divided among any number of targets. You may repeat this damage any number of times, but you take X damage each time.
-10: All cards you cast this turn have Cascade.