Flying Ascend MagicCon Chicago (If you attended MagicCon Chicago and control ten or more permanents, you get the windy city's blessing for the rest of the game.) Whenever Windy City Elemental attacks, if you have the windy city's blessing, put a +1/+1 counter on each creature you control with flying.
Flying When Wingbright Thief enters, target opponent reveals each nonland card in their hand. You choose one of them. That card perpetually gains "When you cast this spell, each opponent draws a card and gains 3 life."
Defender When Wingmantle Chaplain enters, create a 1/1 white Bird creature token with flying for each creature with defender you control. Whenever another creature you control with defender enters, create a 1/1 white Bird creature token with flying.
Flying Raid — When Wingmate Roc enters, if you attacked this turn, create a 3/4 white Bird creature token with flying. Whenever Wingmate Roc attacks, you gain 1 life for each attacking creature.