Goblin Welder [Commander 2014] Warrior it produces colorless mana instead

it produces colorless mana instead of white mana

"And topples round the dreary west A looming bastion fringed with fire

Me neither

Set: Champions of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

Pay 7 life: Draw seven cards

Goblin Welder [Commander 2014] Warrior it produces colorless mana insteadSet: Commander 2014 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."