Endrek Sahr, Master Breeder

Endrek Sahr, Master Breeder

Legendary Creature - Human Wizard | Power/Toughness: 2 / 2 (CMC 5)
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, Master Breeder.