Smokestack [Urza's Saga] Shards of Alara Morph {3}{B}{B} (You may cast

Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}

Set: Kaladesh Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {4} Whenever a permanent you control is put into a graveyard

When Brilliant Halo is put into a graveyard from the battlefield

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{R} Destroy target artifact

Smokestack [Urza's Saga] Shards of Alara Morph {3}{B}{B} (You may castSet: Urza's Saga Type: Artifact Rarity: Rare Cost: {4} At the beginning of your upkeep, you may put a soot counter on Smokestack. At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.