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 Set Code: ODY-R Legality: Legal in duel, Legal in vintage, Legal in predh, Legal in legacy, Legal in premodern, Legal in commander, Legal in oathbreaker Price: $8.86 Foil price: $34.95