Undead Slaver

Minion Offering (When you cast this card, you may sacrifice a token creature in addition to its cost.)
If you sacrificed a token creature as you cast Undead Slaver, put two 1/1 red Goblin creature tokens into play.
Sacrifice a red Goblin creature: Undead Slaver deals 1 damage to target creature or player. Put a 1/1 black Zombie Golbin creature token
into play.