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 Ancient Bronze Dragon deals combat damage to a player, roll a d20. When you do, put X +1/+1 counters on each of up to two target creatures, where X is the result.

Flying, hexproof from multicolored Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors.

Flying Whenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

Flying, haste Whenever one or more Dragons you control attack an opponent, goad target creature that player controls. Whenever a creature deals combat damage to one of your opponents, if that creature had to attack this combat, you put a +1/+1 counter on Firkraag, Cunning Instigator and you draw a card.

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.) Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

You may look at the top card of your library any time. You may cast Dragon spells from the top of your library.

Flying When Niv-Mizzet Reborn enters the battlefield, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.

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

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

+1: Draw a card, then add one mana of any color. −2: Create a 4/4 red Dragon creature token with flying. −8: Search your library for any number of Dragon creature cards, put them onto the battlefield, then shuffle.

Flying, haste Zurgo and Ojutai has hexproof as long as it entered the battlefield this turn. Whenever one or more Dragons you control deal combat damage to a player or battle, 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. You may return one of those Dragons to its owner's hand.

This spell can't be countered. Flying, lifelink Your opponents can't cast spells during your turn.

Flying Whenever Ancient Copper Dragon deals combat damage to a player, roll a d20. You create a number of Treasure tokens equal to the result.

Dragon spells you cast cost {1} less to cast.

Dragon spells you cast cost {2} less to cast.

{G}, {T}: You may put a creature card from your hand onto the battlefield.

Flying Whenever Ganax, Astral Hunter or another Dragon enters the battlefield under your control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Choose a Background (You can have a Background as a second commander.)

Flying, haste Whenever Goldspan Dragon attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.

Reach Whenever another permanent enters the battlefield under your control, if it wasn't put onto the battlefield with this ability, you may put a permanent card with equal or lesser mana value from your hand onto the battlefield. Partner (You can have two commanders if both have partner.)

Flying Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

{4}, {T}: You may put a creature card from your hand onto the battlefield.

Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it."

+1: You may discard a card. If you do, draw a card. +1: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells. −7: Create four 5/5 red Dragon creature tokens with flying.

Dragon spells you cast cost {1} less to cast. Whenever a Dragon enters the battlefield under your control, you may have Sarkhan, Soul Aflame become a copy of it until end of turn, except its name is Sarkhan, Soul Aflame and it's legendary in addition to its other types.

Flying Whenever Ancient Brass Dragon deals combat damage to a player, roll a d20. When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result.

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.

This spell costs {X} less to cast, where X is the total mana value of Dragons you control. Flying, trample {2}{G}, Sacrifice a land: Return Earthquake Dragon from your graveyard to your hand.

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.

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 you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander.

+1: Creatures you control get +1/+1 and gain haste until end of turn. −2: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. −6: Create five 4/4 red Dragon creature tokens with flying.

Flying Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control. {R}: Scourge of Valkas gets +1/+0 until end of turn.

Flying, hexproof Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn.

Flying Spells your opponents cast that target Terror of the Peaks cost an additional 3 life to cast. Whenever another creature enters the battlefield under your control, Terror of the Peaks deals damage equal to that creature's power to any target.

Flying Whenever Ancient Gold Dragon deals combat damage to a player, roll a d20. You create a number of 1/1 blue Faerie Dragon creature tokens with flying equal to the result.

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

Flying, ward {2} Whenever another nontoken Dragon enters the battlefield under your control, create a token that's a copy of it, except the token isn't legendary.

+2: Sarkhan, Dragonsoul deals 1 damage to each opponent and each creature your opponents control. −3: Sarkhan, Dragonsoul deals 4 damage to target player or planeswalker. −9: Search your library for any number of Dragon creature cards, put them onto the battlefield, then shuffle.

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.