Arcbound Slith [Planechase] Basic Snow Land tap Apocalypse Demon unless you

tap Apocalypse Demon unless you sacrifice another creature

Sacrifice a creature: Return target creature card from your graveyard to the battlefield

Set: Fourth Edition Type: Artifact Uncommon Cost: {1} Whenever a player casts a white spell

Whenever you cast a black spell

Arcbound Slith [Planechase] Basic Snow Land tap Apocalypse Demon unless youSet: Planechase Type: Artifact Creature Slith Rarity: Uncommon Cost: {2} Whenever Arcbound Slith deals combat damage to a player, put a +1 +1 counter on it. Modular 1 (This creature enters the battlefield with a +1 +1 counter on it. When it dies, you may put its +1 +1 counters on target artifact creature.)