Goblin Welder [Urza's Legacy] 215 you can treat this 1

you can treat this 1 monster as 2 Tribute Monsters for the Tribute Summon

Set: Diamond & Pearl: Majestic Dawn Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Base Set 2 Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

then target 1 Set card your opponent controls

if this card battles: You can target 1 card your opponent controls

Goblin Welder [Urza's Legacy] 215 you can treat this 1Set: 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."