Tome Entry
Strength of Will
InstantMarvel's Spider-Man · rare
Until end of turn, target creature you control gains indestructible and "Whenever this creature is dealt damage, put that many +1/+1 counters on it."

Legality
StandardFutureHistoricTimelessGladiatorPioneerModernLegacyPauperVintagePennyCommanderOathbreakerStandardbrawlBrawlAlchemyPaupercommanderDuelOldschoolPremodernPredhTlr
Market Prices
USD $1.22Foil $1.36EUR €0.57