Transmute Artifact [Antiquities] Centaur Shaman if it isn't a mana

if it isn't a mana ability

{T}: Target player reveals X cards from their hand and you choose one of them

"Just a collage of images: cryptoliths

Though adept at both magic and swordplay

−6: Create a white Avatar creature token

Transmute Artifact [Antiquities] Centaur Shaman if it isn't a manaSet: 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.