Thopter Squadron

Flying
Thopter Squadron enters the battlefield with three +1/+1 counters on it.
, Remove a +1/+1 counter from Thopter Squadron: Create a 1/1 colorless Thopter artifact creature token with flying. Activate this ability only any time you could cast a sorcery.
, Sacrifice another Thopter: Put a +1/+1 counter on Thopter Squadron. Activate this ability only any time you could cast a sorcery.

Welkin Hawk

Flying
When Welkin Hawk dies, you may search your library for a card named Welkin Hawk, reveal that card, put it into your hand, then shuffle your library.

Mirozel

Flying
When Mirozel becomes the target of a spell or ability, return Mirozel to its owner’s hand.

Wayward Soul

Flying
: Put Wayward Soul on top of its owner’s library.

Ephemeron

Flying
Discard a card: Return Ephemeron to its owner’s hand.

Exalted Dragon

Flying
Exalted Dragon can’t attack unless you sacrifice a land. (This cost is paid as attackers are declared.)

Shard Phoenix

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Sacrifice Shard Phoenix: It deals 2 damage to each creature without flying.
: Return Shard Phoenix from your graveyard to your hand. Activate this ability only during your upkeep.

Dungeon Shade

Flying
: Dungeon Shade gets +1/+1 until end of turn.

Silver Wyvern

Flying
: Change the target of target spell or ability that targets only Silver Wyvern. The new target must be a creature.

Foul Imp

Flying
When Foul Imp enters the battlefield, you lose 2 life.

Spindrift Drake

Flying
At the beginning of your upkeep, sacrifice Spindrift Drake unless you pay .

Spirit en-Kor

Flying
: The next 1 damage that would be dealt to Spirit en-Kor this turn is dealt to target creature you control instead.

Revenant

Flying
Revenant’s power and toughness are each equal to the number of creature cards in your graveyard.

Cloud Spirit

Flying
Cloud Spirit can block only creatures with flying.

Warrior Angel

Flying
Whenever Warrior Angel deals damage, you gain that much life.

Revenant

Flying
Revenant’s power and toughness are each equal to the number of creature cards in your graveyard.

Flailing Drake

Flying
Whenever Flailing Drake blocks or becomes blocked by a creature, that creature gets +1/+1 until end of turn.

Rathi Dragon

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Rathi Dragon enters the battlefield, sacrifice it unless you sacrifice two Mountains.

Skyshroud Vampire

Flying
Discard a creature card: Skyshroud Vampire gets +2/+2 until end of turn.

Fylamarid

Flying
Fylamarid can’t be blocked by blue creatures.
: Target creature becomes blue until end of turn.