"A pleasure to make your acquaintance. Now, allow me to introduce you to the children."

Endrek Sahr, Master Breeder

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.

Whenever you play a creature spell, put X 1/1 black Thrull creature tokens into play, where X is that spell's converted mana cost.
When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.

The List

Secret Lair Drop

Commander Masters

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.

Commander Masters Art Series

Endrek Sahr, Master Breeder // Endrek Sahr, Master Breeder

Modern Masters 2015

Whenever you cast a creature spell, put X 1/1 black Thrull creature tokens onto the battlefield, where X is that spell's converted mana cost.\r
When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.

Commander 2013

Whenever you cast a creature spell, put X 1/1 black Thrull creature tokens onto the battlefield, where X is that spell's converted mana cost.When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.