Strixhaven: School of Mages Promos · #130
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Until end of turn, double target creature's power X times.
Abilities, attacks, weakness & resistance
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Exponential Growth (PSTX 130p foil) is a green sorcery promo from the Strixhaven: School of Mages Promos set. It costs {X}{X}{G}{G} and sequentially doubles a target creature’s power X times until end of turn. The doubling uses the creature’s current power each time, so repeated doublings can produce exponentially large power values and interact with negative-power cases as noted in rulings.
Catalog pricing data as of 4 May 2026, 22:52
