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Invert the Skies
Instant
Creatures your opponents control lose flying until end of turn if green mana was spent to cast this spell, and creatures you control gain flying until end of turn if blue mana was spent to cast this spell. (Do both if green mana blue mana was spent.)
Rulings (5)
If a creature changes controllers later in the turn, that won't change how Invert the Skies affected it.
Aug 1, 2008
Invert the Skies affects only creatures on the battlefield at the time it resolves. If a creature enters later that turn, it won't be affected.
Aug 1, 2008
The spell cares about what mana was spent to pay its total cost, not just what mana was spent to pay the hybrid part of its cost.
Aug 1, 2008
Legality
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