Æther Membrane

Creature - Wall 0/5, 1RR (3)
Defender; reach (This creature can block creatures with flying.)

Whenever Æther Membrane blocks a creature, return that creature to its owner's hand at end of combat.¹
Illus. Zoltan Boros & Gabor Szikszai

Gatherer Card Rulings [Nov 2009]

• 2/1/2007: The blocked creature is returned to its owner's hand at end of combat only if the blocked creature is still on the battlefield. It doesn't matter whether AEther Membrane is on the battlefield.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/9)	Planar Chaos (Uncommon)