Iago, Eye of the Orrery

Flying
Eminence — As long as Iago, Eye of the Orrery is in the command zone or on the battlefield, when a Bird you control become tapped, scry 1, then reveal the top card of your library. If a Bird card is revealed this way, put it into your hand and you gain life equal to its converted mana cost.
Tap three untapped Birds you control: Tap target permanent.