Abyssal Specter

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

Vampire Bats

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Vampire Bats gets +1/+0 until end of turn. Activate no more than twice each turn.

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can’t, Lord of the Pit deals 7 damage to you.

Mesa Falcon

Flying
: Mesa Falcon gets +0/+1 until end of turn.

Fire Drake

Flying
: Fire Drake gets +1/+0 until end of turn. Activate only once each turn.

Bog Imp

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

Crimson Manticore

Flying
, : Crimson Manticore deals 1 damage to target attacking or blocking creature.

Seraph

Flying
Whenever a creature dealt damage by Seraph this turn dies, put that card onto the battlefield under your control at the beginning of the next end step. Sacrifice the creature when you lose control of Seraph.

Sibilant Spirit

Flying
Whenever Sibilant Spirit attacks, defending player may draw a card.

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.

Killer Bees

Flying
: Killer Bees gets +1/+1 until end of turn.

Shivan Dragon

Flying
: This creature gets +1/+0 until end of turn.

Wall of Air

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

Phantasmal Forces

Flying
At the beginning of your upkeep, sacrifice Phantasmal Forces unless you pay .

Cockatrice

Flying
Whenever Cockatrice blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Wind Spirit

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