Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

{1}{G}: Regenerate target creature.

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.

Banefire deals X damage to any target.

If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Flying

{T}: Add one mana of any color.

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.

When Bonds of Mortality enters the battlefield, draw a card.

{G}: Creatures your opponents control lose hexproof and indestructible until end of turn.

Attacking creatures you control have deathtouch.

{1}{G}, {T}: Choose one --

• Put a +1/+1 counter on target creature.

• Bow of Nylea deals 2 damage to target creature with flying.

• You gain 3 life.

• Put up to four target cards from your graveyard on the bottom of your library in any order.

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

Dragon creatures you control get +3/+3.

Choose one --

• Destroy all Dragon creatures.

• Destroy all non-Dragon creatures.

Flying, trample, haste

If Darigaaz Reincarnated would die, instead exile it with three egg counters on it.

At the beginning of your upkeep, if Darigaaz is exiled with an egg counter on it, remove an egg counter from it. Then if Darigaaz has no egg counters on it, return it to the battlefield.

When Deadbridge Chant enters the battlefield, mill ten cards.

At the beginning of your upkeep, choose a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, put it into your hand.

{T}: Add one mana of any color.

{7}, {T}, Sacrifice Draconic Disciple: Create a 5/5 red Dragon creature token with flying.

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

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.)

{5}{R}{R}: Create a 5/5 red Dragon creature token with flying. (It can't be blocked except by creatures with flying or reach.)

Whenever a creature with flying enters the battlefield under your control, it gains haste until end of turn.

Whenever a Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

{R}: Dragon Whisperer gains flying until end of turn.

{1}{R}: Dragon Whisperer gets +1/+0 until end of turn.

Formidable -- {4}{R}{R}: Create a 4/4 red Dragon creature token with flying. Activate only if creatures you control have total power 8 or greater.

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.

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.

Search your library for a Dragon permanent card, put it onto the battlefield, then shuffle.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Destroy target creature or planeswalker.

Whenever a creature with power 3 or greater enters the battlefield under your control, draw a card.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Return target creature card from your graveyard to the battlefield. If it's a Dragon, put two +1/+1 counters on it.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Add three mana of any one color.

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.

Destroy all creatures you don't control and all planeswalkers you don't control.

At the beginning of your upkeep, look at the top card of your library. If it's a land card, you may put it onto the battlefield.

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

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

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.

Lavalanche deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Whenever a land enters the battlefield, you may gain 1 life.

{T}: Add one mana of any color.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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

+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.

0: Reveal the top card of your library and put it into your hand. Sarkhan the Mad deals damage to himself equal to that card's mana value.

-2: Target creature's controller sacrifices it, then that player creates a 5/5 red Dragon creature token with flying.

-4: Each Dragon creature you control deals damage equal to its power to target player or planeswalker.

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

Whenever you cast a creature spell with power 4, 5, or 6, Sarkhan's Unsealing deals 4 damage to any target.

Whenever you cast a creature spell with power 7 or greater, Sarkhan's Unsealing deals 4 damage to each opponent and each creature and planeswalker they control.

+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.

+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.

+1: Until end of turn, Sarkhan, the Dragonspeaker becomes a legendary 4/4 red Dragon creature with flying, indestructible, and haste. (He doesn't lose loyalty while he's not a planeswalker.)

-3: Sarkhan, the Dragonspeaker deals 4 damage to target creature.

-6: You get an emblem with "At the beginning of your draw step, draw two additional cards" and "At the beginning of your end step, discard your hand."

Savage Lands enters the battlefield tapped.

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

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 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.

Whenever a creature you control becomes the target of a spell or ability an opponent controls, you may draw a card.

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

Slumbering Dragon can't attack or block unless it has five or more +1/+1 counters on it.

Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Slumbering Dragon.

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

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

Flying, haste, protection from white

{5}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Stormbreath Dragon becomes monstrous, it deals damage to each opponent equal to the number of cards in that player's hand.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Defender, hexproof

{T}: Add one mana of any color.

Destroy target creature. It can't be regenerated.

Flying

Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player.

Trample

Lieutenant -- As long as you control your commander, Thunderfoot Baloth gets +2/+2 and other creatures you control get +2/+2 and have trample.

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."

{T}: Add one mana of any color.

Flying

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

Destroy three target permanents.

Flying, trample

Whenever Wasitora, Nekoru Queen deals combat damage to a player, that player sacrifices a creature. If the player can't, you create a 3/3 black, red, and green Cat Dragon creature token with flying.

Creatures you control have lifelink.

{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.