Alchemy: Innistrad (Y22)
Set code: Y22 (Arena-only)
Example: https://c1.scryfall.com/file/scryfall-cards/large/front/c/2/c2744e16-1016-432a-8698-2a2d407e7b04.jpg?1638836474
Our trace: https://c2.scryfall.com/file/scryfall-symbols/sets/y22.svg