Flying
Whenever another creature enters the battlefield under your control, you may have Bravewing Hero dare 2.

Flying
When Breaching Jaxl enters the battlefield, untap target nonland permanent.
Wander {2}{U}

Flying
When Bringer of Heliod's Light enters the battlefield, you may bless target creature.

Flying, haste
Whenever you cast an instant or sorcery spell with mana value 4 or greater, you may return Burning Witch to its owner's hand. If you do, copy that spell. You may choose new targets for the copy.

Flying
Whenever Capital Skyraiders deals combat damage to a player, integrate the top card of that player's library.
Capital Skyraiders gets +3/+3 as long as four or more cards are integrated onto it.

When Carving Instructor enters the battlefield, put a flying counter on target creature you control.

Wander {2}{W}{W}
[–1]: Create your choice of a 1/1 white Bird creature token with flying or a 2/2 black Cat creature token.
[–2]: If a permanent entering the battlefield under your control this turn causes an ability of a permanent you control to trigger, that ability triggers an additional time.
[–3]: Put a +1/+1 counter on each creature you control.

Flying
Indulgence
Whenever you indulge, you may return target creature card from your graveyard to your hand.

Flying, haste
When Chainbreaker's Familiar enters, exile target instant or sorcery card from your graveyard. You may cast a copy of that card until the end of your next turn.
At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, you may return Chainbreaker's Familiar from your graveyard to your hand.

Flying
When Charming Siren leaves the battlefield, if it wasn't blocking, you may bless target creature.

Choose one —
• Clutch of the Web deals 6 damage to target creature with flying.
• Clutch of the Web deals 1 damage to each creature with flying.

When Confetti Cannons leaves the battlefield, create a 1/1 white Elemental Bird creature token with flying.

Create a 1/1 white Spirit creature token with flying. If you've cast another instant or sorcery spell this turn, create two of those tokens instead.

Enchant creature
Enchanted creature gets +1/+1 and has “Whenever this creature deals combat damage to a player, draw a card.”
{VP}{VP}{VP}: Enchanted creature gains flying until end of turn.

{C/B}: Integrate target card in a graveyard.
As long as a creature card with flying is integrated onto Corpsepyre Fiend, it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance.

When Courtless Spiritcaller enters the battlefield, create a 1/1 white Spirit creature token with flying.
{4}{W}, Sacrifice Courtless Spiritcaller: Create two 1/1 white Spirit creature tokens with flying.

Flying, ward {1}
Whenever you cast an instant or sorcery spell, mill a card. Return an instant or sorcery card milled this way to your hand. If you can't, put a +1/+1 counter on Covetous Frostwyrm.

Exile target creature with flying.

Flying
Whenever Cybat becomes tapped, you gain 1 life.

Flying
When Daybreak Rider enters the battlefield, you may bless another target creature.

Enchant creature
Enchanted creature gets -4/-0 and loses flying.

Flying
When Disaffected Seraph enters the battlefield, you gain X life, where X is the number of creatures with flying you control.

Indulgence
If a source an opponent controls would deal damage to you, prevent 1 of that damage.
Whenever you indulge, create a 4/4 white Angel creature token with flying.

Create a 4/4 red Dragon creature token with flying.
{R}, Discard Draconic Beckoning: It deals 1 damage to any target.

Create two 1/1 colorless Thopter artifact creature tokens with flying, then each Thopter you control deals 1 damage to each opponent.