Dawnfeather Eagle

Flying
When this creature enters, creatures you control get +1/+1 and gain vigilance until end of turn.

Kaladesh Remastered

Flying
When Dawnfeather Eagle enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn.

"It came to rest upon the angel's arm, and then the weight of their gazes fell upon me."
—Aeronaut's journal

Aether Revolt

Dawnfeather Eagle’s triggered ability affects itself.

The set of creatures affected by Dawnfeather Eagle’s triggered ability is determined as the ability resolves. Creatures you begin to control later in the turn and permanents you control that become creatures later in the turn won’t get +1/+1 or gain vigilance.