Keyword: Flying

Flying
When Patron of the Valiant enters the battlefield, put a +1/+1 counter on each creature you control with a +1/+1 counter on it.

Flying, double strike, vigilance, trample, indestructible

Flying
Landfall — Whenever a land enters the battlefield under your control, Akoum Hellkite deals 1 damage to any target. If that land is a Mountain, Akoum Hellkite deals 2 damage instead.

Flying
When Sphinx of Enlightenment enters the battlefield, target opponent draws a card and you draw three cards.

Flying
Whenever another nontoken Dragon enters the battlefield under your control, create a 5/5 red Dragon creature token with flying.
: Dragons you control get +1/+0 until end of turn.

Flying, vigilance
: Target creature with a +1/+1 counter on it gains flying and vigilance until end of turn.

Flying
Whenever you cast an instant or sorcery spell, Aven Wind Mage gets +1/+1 until end of turn.

Flying
When Crow of Dark Tidings enters the battlefield or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Flying

Flying
When Expedition Raptor enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Flying, trample

Flying
When Witty Demon enters the battlefield, if your starting library had at least 13 cards over the minimum, search your library for a card and put that card into your hand, then shuffle your library. Otherwise, Witty Demon deals 4 damage to you.

Flying
Whenever Xyru Specter deals damage to an opponent, that player discards a card unless they challenge you. If challenged, and you show them two black cards in your hand, they must discard two cards.

You may reveal this card from your opening hand. If you do, when each opponent casts their first spell of the game, counter that spell unless that player pays .
Flying
Whenever an opponent casts a spell, counter it unless that player pays .

Flying
When Cadaver Imp enters the battlefield, you may return target creature card from your graveyard to your hand.

Flying
Revenant’s power and toughness are each equal to the number of creature cards in your graveyard.

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Rabid Bloodsucker enters the battlefield, each player loses 2 life.

Flying
When Riftwing Cloudskate enters the battlefield, return target permanent to its owner’s hand.
Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Flying
: Target player loses 1 life.

Flying
When Balustrade Spy enters the battlefield, target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Flying
When Citywatch Sphinx dies, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flying
Cloud Elemental can block only creatures with flying.

Flying
When Phantasmal Dragon becomes the target of a spell or ability, sacrifice it.

Flying
When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle your library.

Flying
Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn.