Smokestack [Urza's Saga] SM46 Sacrifice them at the beginning

Sacrifice them at the beginning of the next end step

but boast a truly formidable battle speed for their size thanks to highly sophisticated – if somewhat temperamental – drive systems

Set: Black & White: Boundaries Crossed Type: Water Rarity: Promo Retreat cost: Colorless

explorers have found traces of a great civilization

In Imperial Miners

Smokestack [Urza's Saga] SM46 Sacrifice them at the beginningSet: 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.