Goblin Welder [Urza's Legacy] Commander 2015 add {R} to your mana

add {R} to your mana pool for each 1 life your opponents have lost this turn

He immediately designed a golem made of the metal

Set: Limited Edition Beta Type: Artifact Rarity: Uncommon Cost: {4} {2}: Jade Statue becomes a 3/6 Golem artifact creature until end of combat

that player sacrifices a green or white permanent

Set: Mirage Type: Artifact Rarity: Rare Cost: {0} Discard your hand

Goblin Welder [Urza's Legacy] Commander 2015 add {R} to your manaSet: 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."