Ashiok's Familiar

Cooperation with Ashiok (Ashiok planeswalker
you control can help you cast this spell. Each loyalty counter you remove from him while casting this spell
pays for {1}.)
Flying
Whenever Ashiok's Familiar deals damage to a
player, exile the top two cards of that player's
library. If a creature card is exiled this way, you
may draw a card.