Cloud Djinn

Flying
Cloud Djinn can block only creatures with flying.

Mistmoon Griffin

Flying
When Mistmoon Griffin dies, exile Mistmoon Griffin, then return the top creature card of your graveyard to the battlefield.

Avizoa

Flying
: Avizoa gets +2/+2 until end of turn. You skip your next untap step. Activate this ability only once each turn.

Alabaster Dragon

Flying
When Alabaster Dragon dies, shuffle it into its owner’s library.

Circling Vultures

Flying
You may discard Circling Vultures any time you could cast an instant.
At the beginning of your upkeep, sacrifice Circling Vultures unless you exile the top creature card of your graveyard.

Morinfen

Flying
Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Timid Drake

Flying
When another creature enters the battlefield, return Timid Drake to its owner’s hand.

Owl Familiar

Flying
When Owl Familiar enters the battlefield, draw a card, then discard a card.

Cloud Pirates

Flying
Cloud Pirates can block only creatures with flying.

Storm Crow

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

Snapping Drake

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

Bog Imp

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

Storm Crow

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