Invert the Skies (155) (Eventide)

Rarity:	U
#:	155
Creature Type or Sub Type:	Instant
Rules Text Contains:	Creatures your opponents control lose flying until end of turn if G was spent to play Invert the Skies, and creatures you control gain flying until end of turn if U was spent to play it. (Do both if GU was spent.)
Set:	Eventide
Number:	155