Ore-Rich Stalactite (Extended Art) [The Lost Caverns of Ixalan Commander] Troll Skeleton where X is that artifact's

where X is that artifact's mana value

exile up to one target nonland permanent an opponent controls until Prayer of Binding leaves the battlefield

Set: Innistrad: Midnight Hunt Type: Sorcery Rarity: Uncommon Cost: {2}{G} Return target card from your graveyard to your hand

Set: The Lost Caverns of Ixalan Prerelease Cards Type: Artifact Rarity: Rare Cost: {2} 1

Ore-Rich Stalactite (Extended Art) [The Lost Caverns of Ixalan Commander] Troll Skeleton where X is that artifact'sSet: The Lost Caverns of Ixalan Commander Type: Artifact Rarity: Rare T: Add R. Spend this mana only to cast an instant or sorcery spell. Craft with four or more red instant and or sorcery cards 3RR (3RR, Exile this artifact, Exile the four or more from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) Reverse Type: Artifact {R}, {T}: Choose an exiled card used to craft Cosmium Catalyst at random. You