Flying

Defender (This creature can't attack.)
Flying
Sunweb can't block creatures with power 2 or less.

Flying
When Supply-Line Cranes enters the battlefield, put a +1/+1 counter on target creature.

Flying
Champion an Elemental (When this enters the battlefield, sacrifice it unless you exile another Elemental you control. When this leaves the battlefield, that card returns to the battlefield.)

Flying
Other Spirits you control get +1/+1.

Flying
When Surveilling Sprite dies, you may draw a card.

Flying
Whenever Sustainer of the Realm blocks, it gets +0/+2 until end of turn.

Flying
: Regenerate target creature.

Flying
Whenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Flying
If a source would deal damage to Swans of Bryn Argoll, prevent that damage. The source's controller draws cards equal to the damage prevented this way.

Flying
Swarm of Bloodflies enters the battlefield with two +1/+1 counters on it.
Whenever another creature dies, put a +1/+1 counter on Swarm of Bloodflies.

Flying
Whenever Swarm of Locus attacks, it gets +1/+0 until end of turn for each Locus you control.

Flash (You may cast this spell any time you could cast an instant.)
Reach (This creature can block creatures with flying.)

Flying
When Swift Warkite enters the battlefield, you may put a creature card with converted mana cost 3 or less from your hand or graveyard onto the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step.

Threshold — Swirling Sandstorm deals 5 damage to each creature without flying if seven or more cards are in your graveyard.

Flying
: Swooping Talon loses flying until end of turn.
Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

Equipped creature gets +2/+2 and has protection from Rogues and from Clerics.
Whenever equipped creature deals combat damage to a player, create a 4/4 gold Dragon creature token with flying and roll a d20 (a twenty-sided die). If you roll a 20, repeat this process.
Equip

Flying
Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Knightlifelink (Damage dealt by Knights you control also causes you to gain that much life.)
: Syr Cadian, Knight Owl gains vigilance until end of turn. Activate this ability only from sunrise to sunset.
: Syr Cadian, Knight Owl gains flying until end of turn. Activate this ability only from sunset to sunrise.