Return target artifact card from your graveyard to the battlefield.

Flying, trample

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

Azorius Guildgate enters the battlefield tapped.

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

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

{3}{B}{B}, Exile seven other cards from your graveyard: Return Bone Dragon from your graveyard to the battlefield tapped.

Boros Guildgate enters the battlefield tapped.

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

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

{T}: Add one mana of any color.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw a card.

Put a +1/+1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.

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

When Demanding Dragon enters the battlefield, it deals 5 damage to target opponent unless that player sacrifices a creature.

Defender

When Dragon Egg dies, create a 2/2 red Dragon creature token with flying and "{R}: This creature gets +1/+0 until end of turn."

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.

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power."

Equip {3}

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.

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.

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

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

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.)

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Prevent all combat damage that would be dealt this turn.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

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

• Khans -- At the beginning of each of your main phases, add {G}{G}.

• Dragons -- Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.

Golgari Guildgate enters the battlefield tapped.

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

Draw a card. You may put a land card from your hand onto the battlefield.

Gruul Guildgate enters the battlefield tapped.

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

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.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Flying, haste

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

Delirium -- Whenever Inexorable Blob attacks, if there are four or more card types among cards in your graveyard, create a 3/3 green Ooze creature token that's tapped and attacking.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

Whenever a Dragon you control attacks, creatures you control get +1/+0 until end of turn.

Dash {3}{B}{R} (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 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.

({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 {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Flying

When Nicol Bolas, the Ravager enters the battlefield, each opponent discards a card.

{4}{U}{B}{R}: Exile Nicol Bolas, the Ravager, then return him to the battlefield transformed under his owner's control. Activate only as a sorcery.

+2: Draw two cards.

-3: Nicol Bolas, the Arisen deals 10 damage to target creature or planeswalker.

-4: Put target creature or planeswalker card from a graveyard onto the battlefield under your control.

-12: Exile all but the bottom card of target player's library.

This spell can't be countered.

Flying

Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target.

Whenever a player casts an instant or sorcery spell, you draw a card.

Orzhov Guildgate enters the battlefield tapped.

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

Flying, vigilance, trample

Palladia-Mors, the Ruiner has hexproof if it hasn't dealt damage yet.

({T}: Add {W}.)

Choose four. You may choose the same mode more than once.

• Create a 2/2 Citizen creature token that's all colors.

• Return target permanent card from your graveyard to your hand.

• Proliferate.

• You gain 4 life.

Rakdos Guildgate enters the battlefield tapped.

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

Creature spells you control can't be countered.

Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

+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.

+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.

Whenever a creature attacks you or a planeswalker you control, each Dragon you control deals 1 damage to that creature.

+1: Until end of turn, each planeswalker you control becomes a 4/4 red Dragon creature and gains flying.

-3: Create a 4/4 red Dragon creature token with flying.

Sarkhan's Catharsis deals 5 damage to target player or planeswalker.

Sarkhan's Dragonfire deals 3 damage to any target.

Look at the top five cards of your library. You may reveal a red card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever you activate an ability of a Sarkhan planeswalker, Sarkhan's Whelp deals 1 damage to any target.

+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: 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."

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

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 (This creature can't be blocked except by creatures with flying or reach.)

{R}: Shivan Dragon 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.

Simic Guildgate enters the battlefield tapped.

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

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

{R}: Skyship Stalker gets +1/+0 until end of turn.

{R}: Skyship Stalker gains first strike until end of turn.

{R}: Skyship Stalker gains haste until end of turn.

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

Flying

When Sparktongue Dragon enters the battlefield, you may pay {2}{R}. When you do, it deals 3 damage to any target.

Destroy target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Until end of turn, creatures you control get +2/+2 and gain "Whenever this creature deals combat damage to a player or planeswalker, destroy target artifact or enchantment defending player controls."

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Eminence -- As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost {1} 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.

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

Flying

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

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

Flying, haste