Invert the Skies

Instant

Creatures your opponents control lose flying until end of turn if was spent to cast this spell, and creatures you control gain flying until end of turn if was spent to cast this spell. (Do both if was spent.)

Randy Gallegos

Legalities

NOT LEGALStandard
NOT LEGALPioneer
LEGALModern
LEGALLegacy
LEGALVintage
LEGALCommander
LEGALOathbreaker
NOT LEGALAlchemy
NOT LEGALHistoric
NOT LEGALBrawl
NOT LEGALTimeless
NOT LEGALPauper
NOT LEGALPenny