Catalyst Stone Tweet Moderate Play, English, 1 In stock $1.19 Note: Prices subject to change at any time. We reserve the right to limit quantities. Read More Details Color: Artifact Card Text: Flashback costs you pay cost up to 2 less. Flashback costs your opponents pay cost 2 more. Rarity: R Cost: 2 Card Type: Artifact Artist: Tony Szczudlo Name: Catalyst Stone Finish: Regular Card Number: 297/350 Set Name: Odyssey