Goblin Welder [Urza's Legacy] Bird {T}: Double the amount of

{T}: Double the amount of each type of unspent mana you have

Set: Tempest Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Target player takes an extra turn after this one

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target

Set: Commander 2014 Type: Artifact Rarity: Rare Cost: {2} Red spells you cast cost {1} less to cast

Goblin Welder [Urza's Legacy] Bird {T}: Double the amount ofSet: 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."