Flying, trample

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

Flying

Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.

Flying

When Bladewing the Risen enters the battlefield, you may return target Dragon permanent card from your graveyard to the battlefield.

{B}{R}: Dragon creatures get +1/+1 until end of turn.

Flying

Whenever Crosis, the Purger deals combat damage to a player, you may pay {2}{B}. If you do, choose a color, then that player reveals their hand and discards all cards of that color.

Flying

When Deathbringer Regent enters the battlefield, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

Flying, trample

When Dragonlord Atarka enters the battlefield, it deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control.

This spell can't be countered.

Flying, lifelink

Your opponents can't cast spells during your turn.

Flying, haste

Other creatures you control have haste.

Whenever an opponent casts a creature or planeswalker spell with the same name as a card in their graveyard, that player loses 10 life.

Flying

Dragonlord Ojutai has hexproof as long as it's untapped.

Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying, deathtouch

When Dragonlord Silumgar enters the battlefield, gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar.

Flying

Whenever Dromar, the Banisher deals combat damage to a player, you may pay {2}{U}. If you do, choose a color, then return all creatures of that color to their owners' hands.

Flying

Whenever a Dragon you control attacks, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

Flying

Whenever Flameblast Dragon attacks, you may pay {X}{R}. If you do, Flameblast Dragon deals X damage to any target.

Flying

{1}{R}: Forgestoker Dragon deals 1 damage to target creature. That creature can't block this combat. Activate only if Forgestoker Dragon is attacking.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Flying

When Furnace Dragon enters the battlefield, if you cast it from your hand, exile all artifacts.

Bloodthirst 6 (If an opponent was dealt damage this turn, this creature enters the battlefield with six +1/+1 counters on it.)

Flying

Flying, haste

You may exert Glorybringer as it attacks. When you do, it deals 4 damage to target non-Dragon creature an opponent controls. (An exerted creature won't untap during your next untap step.)

Flying, haste

Whenever Hellkite Charger attacks, you may pay {5}{R}{R}. If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Flying, trample, haste

{R}: Hellkite Overlord gets +1/+0 until end of turn.

{B}{G}: Regenerate Hellkite Overlord.

Flying, trample

Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.

At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.

Flying

{3}{R}: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's mana value.

Flying

When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.

When Hoarding Dragon dies, you may put the exiled card into its owner's hand.

Flying, haste

You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Flying

Morph {6}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Imperial Hellkite is turned face up, you may search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

Flying

Whenever Intet, the Dreamer deals combat damage to a player, you may pay {2}{U}. 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 Jugan, the Rising Star dies, you may distribute five +1/+1 counters among any number of target creatures.

Flying, haste

When Karrthus, Tyrant of Jund enters the battlefield, gain control of all Dragons, then untap all Dragons.

Other Dragon creatures you control have haste.

Flying

When Keiga, the Tide Star dies, gain control of target creature.

Amplify 3 (As this creature enters the battlefield, put three +1/+1 counters on it for each Dragon card you reveal in your hand.)

Flying

{T}: Kilnmouth Dragon deals damage equal to the number of +1/+1 counters on it to any target.

Flying

When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Flying

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

Flying, trample

Join forces -- Whenever Mana-Charged Dragon attacks or blocks, each player starting with you may pay any amount of mana. Mana-Charged Dragon gets +X/+0 until end of turn, where X is the total amount of mana paid this way.

{0}: Mist Dragon gains flying. (This effect lasts indefinitely.)

{0}: Mist Dragon loses flying. (This effect lasts indefinitely.)

{3}{U}{U}: Mist Dragon phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

Flying

At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}.

Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

Flying

Whenever Numot, the Devastator deals combat damage to a player, you may pay {2}{R}. If you do, destroy up to two target lands.

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

Whenever Oros, the Avenger deals combat damage to a player, you may pay {2}{W}. If you do, Oros deals 3 damage to each nonwhite creature.

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 {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Activate only once each turn.

Flying

{2}{S}: Tap target creature and put an ice counter on it. ({S} can be paid with one mana from a snow source.)

Creatures with ice counters on them don't untap during their controllers' untap steps.

Flying

{5}{R}, Exile Runehorn Hellkite from your graveyard: Each player discards their hand, then draws seven cards.

Flying

Whenever Savage Ventmaw attacks, add {R}{R}{R}{G}{G}{G}. Until end of turn, you don't lose this mana as steps and phases end.

Flying

Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, destroy target nonland permanent that player controls.

Flying

{2}: 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.

Flying

{1}{R}: Scourge of Kher Ridges deals 2 damage to each creature without flying.

{5}{R}: Scourge of Kher Ridges deals 6 damage to each other creature with flying.

Flying

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Whenever Scourge of the Throne attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Flying

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

{B}: Skithiryx, the Blight Dragon gains haste until end of turn.

{B}{B}: Regenerate Skithiryx.

Flying

When Skyline Despot enters the battlefield, you become the monarch.

At the beginning of your upkeep, if you're the monarch, create a 5/5 red Dragon creature token with flying.

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 mana value.

Flying

{2}: Steel Hellkite gets +1/+0 until end of turn.

{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.

Flying

Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life.