Grimgrin, Corpse-Born (Oversized) [Commander's Arsenal Oversized] Human Assassin If the player does

If the player does

Set: Hour of Devastation Type: Sorcery Rarity: Rare Cost: {X}{B}{B} Repeat the following process X times

Set: Beta Edition Type: Sorcery Rarity: Rare Cost: {1}{U} Take an extra turn after this one

Set: Shadows over Innistrad Prerelease Promos Type: Enchantment Rarity: Rare Cost: {1}{U}{R} At the beginning of each player's end step

Grimgrin, Corpse-Born (Oversized) [Commander's Arsenal Oversized] Human Assassin If the player doesSet: Commander's Arsenal Oversized Type: Legendary Creature Zombie Warrior Rarity: Mythic Cost: {3}{U}{B} Grimgrin, Corpse Born enters the battlefield tapped and doesn't untap during your untap step. Sacrifice another creature: Untap Grimgrin and put a +1 +1 counter on it. Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1 +1 counter on Grimgrin.