Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value. When you control seven or more Thrulls, sacrifice Endrek Sahr.

As this enchantment enters, choose a creature type. Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{4}, {T}, Discard your hand: Draw a card for each creature you control.

Devoid (This card has no color.) Flying At the beginning of your upkeep, sacrifice a creature. Whenever you sacrifice a creature, draw a card.