Smokestack [Urza's Saga] Saga Set: Promotional Schemes Type: Scheme

Set: Promotional Schemes Type: Scheme Rarity: Rare When you set this scheme in motion

{0}: Sacrifice Knowledge Vault

who did in Viddle

Partner (You can have two commanders if both have partner

Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

Smokestack [Urza's Saga] Saga Set: Promotional Schemes Type: SchemeSet: 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.