Transmute Artifact [Antiquities] 99 "On the field of honor

"On the field of honor

Set: Diamond & Pearl: Stormfront Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

if you control no creatures

Set: Sun & Moon: Hidden Fates Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Transmute Artifact [Antiquities] 99 "On the field of honorSet: 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 converted mana cost is less than or equal to the sacrificed artifact's converted mana cost, 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 your library.