{U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step. {U}: Aetherling can't be blocked this turn. {1}: Aetherling gets +1/-1 until end of turn. {1}: Aetherling gets -1/+1 until end of turn.
Reveal the top four cards of your library. You may put a creature card from among them onto the battlefield. It gains "At the beginning of your end step, return this creature to its owner's hand." Then put the rest of the cards revealed this way on the bottom of your library in any order.
Whenever Aetherplasm blocks a creature, you may return Aetherplasm to its owner's hand. If you do, you may put a creature card from your hand onto the battlefield blocking that creature.
Its fickle form holds hints of a thousand former identities.
Flying At the beginning of your upkeep, you get {E}{E}{E}. Pay eight {E}: Return all other creatures to their owners' hands. Activate only as a sorcery.
Flying Whenever Aetherstorm Roc or another creature you control enters, you get {E}. Whenever Aetherstorm Roc attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls.
Trample When Aetherstream Leopard enters, you get {E}. Whenever Aetherstream Leopard attacks, you may pay {E}. If you do, it gets +2/+0 until end of turn.
When Aethertorch Renegade enters, you get {E}{E}{E}{E}. {T}, Pay {E}{E}: Aethertorch Renegade deals 1 damage to target creature. {T}, Pay eight {E}: Aethertorch Renegade deals 6 damage to target player or planeswalker.
Trample Whenever Aetherwind Basker enters or attacks, you get {E} for each creature you control. Pay {E}: Aetherwind Basker gets +1/+1 until end of turn.
Its frill inspired the design of efficient aether collectors.
Whenever a permanent you control is put into a graveyard, you get {E}. {T}, Pay six {E}: Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.