Goblin Welder [Duel Decks: Elves vs. Inventors] SV50 when an opponent's DARK monster

when an opponent's DARK monster activates its effect: You can detach 1 Xyz Material from this card

Set: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 2800 Defense: 1000 Cannot be Normal Summoned /Set

and each time 1 is destroyed

Set: Chaos Impact Card type: Link/Effect Monster Rarity: Secret Rare Attack: 1800 2 monsters including an "Unchained Soul" monster During your opponent's Main Phase (Quick Effect): You can target 1 face-up Special Summoned monster your opponent controls

Set: Order of Chaos Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 2400 Defense: 1700 2 Level 5 monsters Once per turn

Goblin Welder [Duel Decks: Elves vs. Inventors] SV50 when an opponent's DARK monsterSet: Duel Decks: Elves vs. Inventors Type: Creature Goblin Artificer Rarity: Mythic 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.