ArashiKun, lost child

: whenever a creature you control without a grave counter dies you lose 2 life and draw a card, put a grave counter on target creature you control
+1: destroy target creature and then you may pay 5 life or sacrifice a creature, if a creature is sacrificed this way you gain 2 life and draw a card
-4: destroy all other creatures and planeswalkers without a grave counter on the battlefield, you have no maximum hand size for the rest of the game