Endrek Sahr, Master Breeder [Time Spiral] Human Doctor Sacrifice them at the beginning

Sacrifice them at the beginning of the next end step

Destroy target creature

Set: Beta Edition Type: Enchantment Rarity: Rare Cost: {R}{R} At the beginning of each player's upkeep

Set: Mystery Booster Type: Creature — Goblin Rogue Rarity: Common Cost: {1}{R} Whenever Goblin Locksmith attacks

Set: Commander Masters Type: Legendary Creature — God Rarity: Mythic Cost: {3}{U}{B} At the beginning of your upkeep

Endrek Sahr, Master Breeder [Time Spiral] Human Doctor Sacrifice them at the beginningSet: Time Spiral Type: Legendary Creature Human Wizard Rarity: Rare Cost: {4}{B} 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.