Catalyst Stone - Foil Tweet NM-Mint, English, limit 3 $4.00 / $4.80 credit Light Play, English, limit 2 $3.00 / $3.60 credit Buy This Product 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: Foil Card Number: 297/350 Set Name: Odyssey