Catalyst Stone
(Catalyst Stone)
- Set: Odyssey
- Color: Artifact
- Cost: 2
- Type: Artifact
- Rarity: R
- Text
Flashback costs you pay cost up to 2 less. Flashback costs your opponents pay cost 2 more.
- Cards of equal color/cost that Catalyst Stone
- Fellwar Stone
- Isochron Scepter
- Howling Mine
- Crown of the Ages
- Touchstone
- Cards of equal cost and different color that Catalyst Stone
- Tree of Tales
- Ancient Den
- Vault of Whispers
- Seat of the Synod
- Great Furnace