Transmute Artifact [Antiquities] Vintage Set: Urza's Legacy Type: Creature

Set: 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

The sea gives

Set: Amonkhet Invocations Type: Creature — Bird Wizard Rarity: Mythic Cost: {2}{W} Flash

you may pay {X}

Transmute Artifact [Antiquities] Vintage Set: Urza's Legacy Type: CreatureSet: Antiquities Type: Sorcery Rarity: Uncommon Cost: {U}{U} Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.