Air Bladder 
Enchantment — Aura
Enchant creature Enchanted creature has flying. Enchanted creature can block only creatures with flying.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment — Aura
Enchant creature Enchanted creature has flying. Enchanted creature can block only creatures with flying.