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

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

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

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 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.

{T}: Add one mana of any color in your commander's color identity.

Flying

Project Image -- When Astral Dragon enters the battlefield, create two tokens that are copies of target noncreature permanent, except they're 3/3 Dragon creatures in addition to their other types, and they have flying.

Indestructible

As long as your devotion to white and black is less than seven, Athreos isn't a creature.

Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.

Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.)

Flying

{T}: Add one mana of any color.

{T}: For each color among permanents you control, add one mana of that color.

{T}: Add {R}. If that mana is spent on a Dragon creature spell, it gains haste until end of turn.

{T}: Add {C}.

{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

You may spend mana as though it were mana of any color.

{T}: Add {C}{C}{C}{C}{C}.

{5}, {T}: Draw a card for each color among permanents you control.

{T}: Add {U}.

{T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity.

Choose one --

• Destroy all Dragon creatures.

• Destroy all non-Dragon creatures.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{T}: Add {B}.

{T}: Add {G}.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

Whenever a Dragon enters the battlefield under your control, put a gold counter on Dragon's Hoard.

{T}, Remove a gold counter from Dragon's Hoard: Draw a card.

{T}: Add one mana of any color.

Trample

Whenever a source you control deals 5 or more damage to a player, draw a card.

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

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

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

Flash

Flying

Ebondeath, Dracolich enters the battlefield tapped.

You may cast Ebondeath, Dracolich from your graveyard if a creature not named Ebondeath, Dracolich died this turn.

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

If you control a commander, you may cast this spell without paying its mana cost.

Creatures you control gain indestructible until end of turn.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

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.)

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.

{T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

As long as Grand Master of Flowers has seven or more loyalty counters on him, he's a 7/7 Dragon God creature with flying and indestructible.

+1: Target creature without first strike, double strike, or vigilance can't attack or block until your next turn.

+1: Search your library and/or graveyard for a card named Monk of the Open Hand, reveal it, and put it into your hand. If you search your library this way, shuffle.

({T}: Add {W} or {U}.)

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell.

{2}, {T}, Sacrifice Haven of the Spirit Dragon: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

{T}: Add {W}.

{T}: Add {U}.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

{T}: Add {B}, {R}, or {G}.

Return each creature card with mana value X from your graveyard to the battlefield.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, it enters the battlefield with an additional +1/+1 counter on it and gains hexproof until your next turn. (It can't be the target of spells or abilities your opponents control.)

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.

{R}: All creatures gain trample and haste until end of turn.

{1}{G}: Put a +1/+1 counter on target creature.

{2}{W}: Target player gains 5 life.

{3}{U}: Target player draws a card.

{4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.

As Kindred Discovery enters the battlefield, choose a creature type.

Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

You may look at the top card of your library any time.

You may cast Dragon spells from the top of your library.

{T}: Add {U}. When you spend this mana to cast a Dragon creature spell, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

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.

The first spell you cast each turn has cascade. (When you cast your first spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

{T}, Pay 1 life: Add one mana of any color.

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.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

{T}: Add {G}, {W}, or {U}.

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

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

{1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

{R}, {T}, Sacrifice Orb of Dragonkind: Look at the top seven cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying

{T}: Add one mana of any color.

As Palace Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of your upkeep, return target creature card from your graveyard to your hand.

• Dragons -- At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

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.

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

{T}: Add {G} or {U}.

You have no maximum hand size.

{T}: Add {C}.

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.

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

Flying

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

Domain -- This spell costs {2} less to cast for each basic land type among lands you control.

Flying

Each creature you control has vigilance if it's white, hexproof if it's blue, lifelink if it's black, first strike if it's red, and trample if it's green.

+1: Until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.

-3: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

-7: Destroy all non-Dragon creatures.

Sivitri, Dragon Master can be your commander.

Kicker {3}

Indestructible

When Skyclave Relic enters the battlefield, if it was kicked, create two tapped tokens that are copies of Skyclave Relic.

{T}: Add one mana of any color.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

{T}: Add {C}{C}.

Vigilance

Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Partner with Khorvath Brightflame (When this creature enters the battlefield, target player may put Khorvath into their hand from their library, then shuffle.)

Double strike

Dragons your team controls have double strike.

As Temple of the Dragon Queen enters the battlefield, you may reveal a Dragon card from your hand. Temple of the Dragon Queen enters the battlefield tapped unless you revealed a Dragon card this way or you control a Dragon.

As Temple of the Dragon Queen enters the battlefield, choose a color.

{T}: Add one mana of the chosen color.

Creatures you control have haste.

Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Trample

Whenever Thrakkus the Butcher attacks, double the power of each Dragon you control until end of turn.

Flying

When Tiamat enters the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle.

Training Center enters the battlefield tapped unless you have two or more opponents.

{T}: Add {U} or {R}.

Flying, menace, haste

Whenever Two-Headed Hellkite attacks, draw two cards.

Vault of Champions enters the battlefield tapped unless you have two or more opponents.

{T}: Add {W} or {B}.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Each land is a Forest in addition to its other land types.

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.