Fallen Angel

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

Cloud Elemental

Flying
Cloud Elemental can block only creatures with flying.

Mahamoti Djinn

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

Clockwork Avian

Flying
Clockwork Avian enters 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 only during your upkeep.

Snapping Drake

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

Sengir Vampire

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Cloud Djinn

Flying
Cloud Djinn can block only creatures with flying.

Ribbon Snake

Flying
: Ribbon Snake loses flying until end of turn. Any player may activate this ability.

Jeweled Spirit

Flying
Sacrifice two lands: Jeweled Spirit gains protection from artifacts or from the color of your choice until end of turn.

Avatar of Hope

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

Spiketail Hatchling

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

Copper-Leaf Angel

Flying
, Sacrifice X lands: Put X +1/+1 counters on Copper-Leaf Angel.

Avatar of Fury

If an opponent controls seven or more lands, this spell costs less to cast.
Flying
: Avatar of Fury gets +1/+0 until end of turn.

Windscouter

Flying
When Windscouter attacks or blocks, return it to its owner’s hand at end of combat. (Return it only if it’s on the battlefield.)

Bog Glider

Flying
, Sacrifice a land: Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

Stormwatch Eagle

Flying
Sacrifice a land: Return Stormwatch Eagle to its owner’s hand.

Avatar of Will

If an opponent has no cards in hand, this spell costs less to cast.
Flying

Spiketail Drake

Flying
Sacrifice Spiketail Drake: Counter target spell unless its controller pays .