Keyword: Flying

Flying
: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle your library.

Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost less to cast.
Flying
Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Defender, flying
When Orator of Ojutai enters the battlefield, if you revealed a Dragon card or controlled a Dragon as you cast this spell, draw a card.

Flying
Whenever a Dragon you control dies while Boneyard Scourge is in your graveyard, you may pay . If you do, return Boneyard Scourge from your graveyard to the battlefield.

Flying
Whenever Intet, the Dreamer deals combat damage to a player, you may pay . If you do, exile the top card of your library face down. You may look at that card for as long as it remains exiled. You may play that card without paying its mana cost for as long as Intet remains on the battlefield.

Flying
When Patron of the Vein enters the battlefield, destroy target creature an opponent controls.
Whenever a creature an opponent controls dies, exile it and put a +1/+1 counter on each Vampire you control.

Flying
Whenever Spellbound Dragon attacks, draw a card, then discard a card. Spellbound Dragon gets +X/+0 until end of turn, where X is the discarded card’s converted mana cost.

Flying
Whenever Savage Ventmaw attacks, add . Until end of turn, you don’t lose this mana as steps and phases end.

Flying
Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.

Flying
Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

Flying
Whenever a Dragon you control attacks, creatures you control get +1/+0 until end of turn.
Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it’s returned from the battlefield to its owner’s hand at the beginning of the next end step.)

Flying
Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

Flying, haste
Whenever Hellkite Charger attacks, you may pay . If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Flying, haste
Lieutenant — As long as you control your commander, Tyrant’s Familiar gets +2/+2 and has “Whenever Tyrant’s Familiar attacks, it deals 7 damage to target creature defending player controls.”

Flying, trample
Whenever a Dragon you control attacks, it gains double strike until end of turn.

Flying
Whenever you cast a spell, put a +1/+1 counter on Ramos, Dragon Engine for each of that spell’s colors.
Remove five +1/+1 counters from Ramos: Add . Activate this ability only once each turn.

Flying
Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card.
: Niv-Mizzet, Dracogenius deals 1 damage to any target.

Flying
You have hexproof. (You can’t be the target of spells or abilities your opponents control.)

Flying
, : Vein Drinker deals damage equal to its power to target creature. That creature deals damage equal to its power to Vein Drinker.
Whenever a creature dealt damage by Vein Drinker this turn dies, put a +1/+1 counter on Vein Drinker.

Flying
Whenever Teneb, the Harvester deals combat damage to a player, you may pay . If you do, put target creature card from a graveyard onto the battlefield under your control.

Flying, deathtouch, lifelink

Flying, trample
Whenever O-Kagachi, Vengeful Kami deals combat damage to a player, if that player attacked you during their last turn, exile target nonland permanent that player controls.

Flying, vigilance
Whenever a Dragon you control attacks, tap target nonland permanent an opponent controls. That permanent doesn’t untap during its controller’s next untap step.

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.

Flying
Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste.
: Draw a card, then discard a card.
When The Locust God dies, return it to its owner’s hand at the beginning of the next end step.