Serra Advocate

Flying
: Target attacking or blocking creature gets +2/+2 until end of turn.

Thieving Magpie

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.

Wall of Air

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

Nightmare

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.

Crimson Hellkite

Flying
, : Crimson Hellkite deals X damage to target creature. Spend only red mana on X.

Sunweb

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

Mahamoti Djinn

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

Abyssal Specter

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

Serra Advocate

Flying
: Target attacking or blocking creature gets +2/+2 until end of turn.

Cloudchaser Eagle

Flying
When Cloudchaser Eagle enters, destroy target enchantment.

Storm Crow

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

Nightmare

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.

Storm Crow

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

Sage Owl

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

Bellowing Fiend

Flying
Whenever Bellowing Fiend deals damage to a creature, Bellowing Fiend deals 3 damage to that creature’s controller and 3 damage to you.

Revenant

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

Wall of Air

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

Serra Angel

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