Urborg Drake

Flying
Urborg Drake attacks each combat if able.

Dream Thrush

Flying
: Target land becomes the basic land type of your choice until end of turn.

Angel of Mercy

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

Zanam Djinn

Flying
Zanam Djinn gets -2/-2 as long as blue is the most common color among all permanents or is tied for most common.

Phyrexian Slayer

Flying
Whenever Phyrexian Slayer becomes blocked by a white creature, destroy that creature. It can’t be regenerated.

Kangee, Aerie Keeper

Kicker (You may pay an additional as you cast this spell.)
Flying
When Kangee, Aerie Keeper enters the battlefield, if it was kicked, put X feather counters on it.
Other Bird creatures get +1/+1 for each feather counter on Kangee, Aerie Keeper.

Glimmering Angel

Flying
: Glimmering Angel gains shroud until end of turn. (It can’t be the target of spells or abilities.)

Crypt Angel

Flying, protection from white
When Crypt Angel enters the battlefield, return target blue or red creature card from your graveyard to your hand.

Phyrexian Battleflies

Flying
: Phyrexian Battleflies gets +1/+0 until end of turn. Activate this ability no more than twice each turn.

Treva, the Renewer

Flying
Whenever Treva, the Renewer deals combat damage to a player, you may pay . If you do, choose a color, then you gain 1 life for each permanent of that color.

Metathran Transport

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

Reya Dawnbringer

Flying
At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield.

Cloud Elemental

Flying
Cloud Elemental can block only creatures with flying.

Wayward Soul

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

Fog Elemental

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Fog Elemental attacks or blocks, sacrifice it at end of combat.

Mahamoti Djinn

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

Cloud Djinn

Flying
Cloud Djinn can block only creatures with flying.

Clockwork Avian

Flying
Clockwork Avian enters the battlefield with four +1/+0 counters on it.
At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on Clockwork Avian. This ability can’t cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate this ability only during your upkeep.

Snapping Drake

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

Shivan Dragon

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