Goblin Welder [Urza's Legacy] CRU104 Set: Tarkir: Dragonstorm Prerelease Promos

Set: Tarkir: Dragonstorm Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color

You don't lose unspent red mana as steps and phases end

Set: Sword & Shield: Brilliant Stars Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

Set: Commander Anthology Volume II Type: Artifact Rarity: Rare Cost: {5} {T}: Choose any number of target creatures

Goblin Welder [Urza's Legacy] CRU104 Set: Tarkir: Dragonstorm Prerelease PromosSet: Urza's Legacy Type: Creature Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield. "I wrecked your metal guy, boss. But look! I made you an ashtray."