Kinjalli's Sunwing

Flying
Creatures your opponents control enter tapped.

Favorable Winds

Creatures you control with flying get +1/+1.

Siren Stormtamer

Flying
{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Aerial Responder

Propaganda

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Cloudblazer

Flying
When Cloudblazer enters, you gain 2 life and draw two cards.

Lost Vale

(Transforms from Dowsing Dagger.)
{T}: Add three mana of any one color.

Dowsing Dagger

When Dowsing Dagger enters, target opponent creates two 0/2 green Plant creature tokens with defender.
Equipped creature gets +2/+1.
Whenever equipped creature deals combat damage to a player, you may transform Dowsing Dagger.
Equip {2}

Dowsing Dagger // Lost Vale

Storm Fleet Aerialist

Flying
Raid — Storm Fleet Aerialist enters with a +1/+1 counter on it if you attacked this turn.

Reflecting Pool

{T}: Add one mana of any type that a land you control could produce.

Island

Plains

Baneslayer Angel

Flying, first strike, lifelink, protection from Demons and from Dragons

Counterspell

Smuggler's Copter

Flying
Whenever Smuggler's Copter attacks or blocks, you may draw a card. If you do, discard a card.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Glacial Fortress

Glacial Fortress enters tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.