Keyword: Flying

( can be paid with either or .)
Flying
When Avatar of Discord enters the battlefield, sacrifice it unless you discard two cards.

Flying
Whenever Oros, the Avenger deals combat damage to a player, you may pay . If you do, Oros deals 3 damage to each nonwhite creature.

Flying
When Malfegor enters the battlefield, discard your hand. Each opponent sacrifices a creature for each card discarded this way.

Flying
Landfall — Whenever a land enters the battlefield under your control, you may create a 1/1 white Bird creature token with flying.

Flying
When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying.

Flying
Whenever Exalted Angel deals damage, you gain that much life.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

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

Flying
At the beginning of each upkeep, create a 1/1 red and green Dragon creature token with flying and devour 2. (As the token enters the battlefield, you may sacrifice any number of creatures. It enters the battlefield with twice that many +1/+1 counters on it.)

Flying
Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.
: Draw a card.

Flying
: Ancient Hellkite deals 1 damage to target creature defending player controls. Activate this ability only if Ancient Hellkite is attacking.

Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Flying
When Razor Hippogriff enters the battlefield, return target artifact card from your graveyard to your hand. You gain life equal to that card’s converted mana cost.

Flying
When Kemba’s Skyguard enters the battlefield, you gain 2 life.

Flying
Metalcraft — When Lumengrid Drake enters the battlefield, if you control three or more artifacts, return target creature to its owner’s hand.

Flying
: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact’s converted mana cost.

Flying
Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can’t be the target of spells or abilities.)

Flying
When Necrogen Scudder enters the battlefield, you lose 3 life.

Flying
Metalcraft — Whenever Screeching Silcaw deals combat damage to a player, if you control three or more artifacts, that player mills four cards.

Flying
When Sky-Eel School enters the battlefield, draw a card, then discard a card.

Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying, haste
Metalcraft — : Return Kuldotha Phoenix from your graveyard to the battlefield. Activate this ability only during your upkeep and only if you control three or more artifacts.

Flying
When Sunblast Angel enters the battlefield, destroy all tapped creatures.

Flying
When Darkslick Drake dies, draw a card.

Flying
When Glint Hawk enters the battlefield, sacrifice it unless you return an artifact you control to its owner’s hand.

Flying
: Steel Hellkite gets +1/+0 until end of turn.
: Destroy each nonland permanent with converted mana cost X whose controller was dealt combat damage by Steel Hellkite this turn. Activate this ability only once each turn.