Flying
Menace (This creature can't be blocked except by two or more creatures.)

Flash
Flying

Enchant land
Enchanted land is a 2/2 blue Elemental creature with flying. It's still a land.
When enchanted land dies, return that card to its owner's hand.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Flying

Flying
Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

Two target creatures you control each get +2/+2 and gain flying until end of turn.

Flying
Attacking creatures you control have lifelink.

Flying
Cycling (, Discard this card: Draw a card.)
When you cycle Windcaller Aven, target creature gains flying until end of turn.

Flying
When Windgrace Acolyte enters the battlefield, mill three cards and you gain 3 life.

Flying
Whenever a creature with flying attacks, you may draw a card.

Flying, protection from blue

Flying
: Windreaver gains vigilance until end of turn.
: Windreaver gets +0/+1 until end of turn.
: Switch Windreaver's power and toughness until end of turn.
: Return Windreaver to its owner's hand.

Flying
Landfall — Whenever a land enters the battlefield under your control, Windrider Eel gets +2/+2 until end of turn.

Flying
Whenever Windrider Patrol deals combat damage to a player, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying
Whenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card.

Flying
When Windscouter attacks or blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)

Windstorm deals X damage to each creature with flying.

Flying
Other creatures you control with flying get +1/+0.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Windwright Mage has flying as long as an artifact card is in your graveyard.

Target creature you control deals damage equal to its power to target creature with flying.