Name: Catalyst Stone Cost: 2 CMC: 2 Color: CID: Type: Artifact Rules Text: Flashback costs you pay cost {2} less. Flashback costs your opponents pay cost {2} more. Set/Rarity: Odyssey rare Legality: Legal in oathbreaker, Legal in vintage, Legal in premodern, Legal in predh, Legal in legacy, Legal in duel, Legal in commander Price: $2.43 Foil price: $14.70