Keyword: Flying

Flying
When Sage Owl enters, look at the top four cards of your library, then put them back in any order.

Defender, flying (This creature can’t attack, and it can block creatures with flying.)

Flying (This creature can’t be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)

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

Flying

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Nightmare’s power and toughness are each equal to the number of Swamps you control.

Flying
Vigilance (Attacking doesn’t cause this creature to tap.)

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Sacrifice Spiketail Hatchling: Counter target spell unless its controller pays .

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Whenever Thieving Magpie deals damage to an opponent, draw a card.

Flying
Whenever Abyssal Specter deals damage to a player, that player discards a card.

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Return Fleeting Image to its owner’s hand.

Flying (This creature can’t be blocked except by creatures with flying or reach.)

Flying
When Vampiric Spirit enters, you lose 4 life.

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Aven Flock gets +0/+1 until end of turn.

Flying
When Angel of Mercy enters, you gain 3 life.

If you have 3 or less life, this spell costs less to cast.
Flying
Avatar of Hope can block any number of creatures.

Flying (This creature can’t be blocked except by creatures with flying or reach.)

Flying
When Vampiric Spirit enters, you lose 4 life.

Flying

Flying
: Target attacking or blocking creature gets +1/+1 until end of turn.

Flying
Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.

Flying
Whenever a creature dealt damage by Soul Collector this turn dies, return that card to the battlefield under your control.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Amplify 3 (As this creature enters, put three +1/+1 counters on it for each Dragon card you reveal in your hand.)
Flying
: Kilnmouth Dragon deals damage equal to the number of +1/+1 counters on it to any target.

Flying
When Celestial Gatekeeper dies, exile it, then return up to two target Bird and/or Cleric permanent cards from your graveyard to the battlefield.