Brainstorm (STA-076) - Strixhaven Mystical Archive (Borderless) Foil Artist_See Machine then reveal the top card

then reveal the top card of your deck

Mirrorpool enters the battlefield tapped

Whenever an attack action card you control deals damage to an opposing hero

then you may cast any number of spells from among those cards without paying their mana costs

With a slew of cards including premium foil cards

Brainstorm (STA-076) - Strixhaven Mystical Archive (Borderless) Foil Artist_See Machine then reveal the top cardCasting Cost Card TypeInstant RarityRare ArtistAyako Ishiguro Legalities NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer NOT LEGAL Modern LEGAL Legacy LEGAL Pauper NOT LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Brawl LEGAL Historic Brawl NOT LEGAL Alchemy LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern LEGAL Predh Draw three cards, then