Vigilance When Aether Inspector enters the battlefield, you get {E}{E}. Whenever Aether Inspector attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.
Flying Whenever Aetherstorm Roc or another creature enters the battlefield under your control, 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.
Creatures your opponents control enter the battlefield tapped. Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.
Vigilance When Cataclysmic Gearhulk enters the battlefield, each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest.
Revolt — When Countless Gears Renegade enters the battlefield, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Servo artifact creature token.
Flying When Eddytrail Hawk enters the battlefield, you get {E}{E}. Whenever Eddytrail Hawk attacks, you may pay {E}. If you do, another target attacking creature gains flying until end of turn.