Smokestack [Urza's Saga] Saga Whenever you tap a Swamp

Whenever you tap a Swamp for mana

{0}: Sacrifice Knowledge Vault

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

Partner (You can have two commanders if both have partner

Set: Alpha Edition Type: Artifact Creature — Beast Rarity: Rare Cost: {6} Clockwork Beast enters the battlefield with seven +1/+0 counters on it

Smokestack [Urza's Saga] Saga Whenever you tap a SwampSet: 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.