Garruk, Godkiller

0: Whenever a planeswalker dies place a loyalty counter on Garruck Godkiller. Whenever a planeswalker dies you may activate an additional ability.
+4: Garruk, Godkiller deals damage to target planeswalker equal to his loyalty and receives damage equal to target planeswalkers loyalty.
+1: Until end of turn Garruk, Godkiller becomes a creature with indestructible, trample and toughness and power equal to half his loyalty.