Transmute Artifact [Antiquities] XY117 of strong men

of strong men

Set: Commander's Arsenal Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

including many not found anywhere else:

Set: Burger King Promos: 2009 Collection Type: Psychic Rarity: Promo Retreat cost: Colorless

Transmute Artifact [Antiquities] XY117 of strong menSet: 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.