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.

Skittering Skirge

Flying
When you cast a creature spell, sacrifice Skittering Skirge.

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.

Spiketail Drake

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

Stormwatch Eagle

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

Ribbon Snake

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

Pit Raptor

Flying, first strike
At the beginning of your upkeep, sacrifice Pit Raptor unless you pay .

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 .

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.)

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.

Jeweled Spirit

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

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.

Avatar of Will

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

Copper-Leaf Angel

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

Ascendant Evincar

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Other black creatures get +1/+1.
Nonblack creatures get -1/-1.

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.