Megamorph {5}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Acid-Spewer Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.
3 /
3
{5}{R}{G}
Atarka, World Render
Legendary Creature - Dragon
Flying, trample
Whenever a Dragon you control attacks, it gains double strike until end of turn.
6 /
4
{3}
Basalt Monolith
Artifact
Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.
{5}{U}
Belltoll Dragon
Creature - Dragon
Flying, hexproof
Megamorph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Belltoll Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.
3 /
3
{3}{B}{B}{R}{R}
Bladewing the Risen
Legendary Creature - Zombie Dragon
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.
4 /
4
--
Bloodfell Caves
Land
Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
--
Blossoming Sands
Land
Blossoming Sands enters the battlefield tapped.
When Blossoming Sands enters the battlefield, you gain 1 life.
{T}: Add {G} or {W}.
{3}{B}{R}
Boltwing Marauder
Creature - Dragon
Flying
Whenever another creature enters the battlefield under your control, target creature gets +2/+0 until end of turn.
5 /
4
{2}
Coldsteel Heart
Snow Artifact
Coldsteel Heart enters the battlefield tapped.
As Coldsteel Heart enters the battlefield, choose a color.
{T}: Add one mana of the chosen color.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}{U}{B}{R}
Crosis, the Purger
Legendary Creature - Dragon
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.
6 /
6
{3}{R}
Crucible of Fire
Enchantment
Dragon creatures you control get +3/+3.
--
Crucible of the Spirit Dragon
Land
{T}: Add {C}.
{1}, {T}: Put a storage counter on Crucible of the Spirit Dragon.
{T}, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.
{3}{B}{B}
Crux of Fate
Sorcery
Choose one --
• Destroy all Dragon creatures.
• Destroy all non-Dragon creatures.
{3}
Cryptolith Fragment
Artifact
Cryptolith Fragment enters the battlefield tapped.
{T}: Add one mana of any color. Each player loses 1 life.
At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.
--
Aurora of Emrakul
Creature - Eldrazi Reflection
Flying, deathtouch
Whenever Aurora of Emrakul attacks, each opponent loses 3 life.
{3}
Cultivator's Caravan
Artifact - Vehicle
{T}: Add one mana of any color.
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)
5 /
5
{3}
Darksteel Ingot
Artifact
Indestructible
{T}: Add one mana of any color.
{5}{B}{B}
Deathbringer Regent
Creature - Dragon
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.
5 /
6
{4}{G}{G}
Destructor Dragon
Creature - Dragon
Flying
When Destructor Dragon dies, destroy target noncreature permanent.
4 /
4
--
Dimir Guildgate
Land - Gate
Dimir Guildgate enters the battlefield tapped.
{T}: Add {U} or {B}.
--
Dismal Backwater
Land
Dismal Backwater enters the battlefield tapped.
When Dismal Backwater enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.
{5}{R}{R}
Dragon Mage
Creature - Dragon Wizard
Flying
Whenever Dragon Mage deals combat damage to a player, each player discards their hand, then draws seven cards.
5 /
5
{1}{R}
Dragon Tempest
Enchantment
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.
{5}{R}{G}
Dragonlord Atarka
Legendary Creature - Elder Dragon
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.
8 /
8
{4}{U}{U}
Dragonlord's Prerogative
Instant
As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
If you revealed a Dragon card or controlled a Dragon as you cast this spell, this spell can't be countered.
Draw four cards.
{1}{R}
Dragonlord's Servant
Creature - Goblin Shaman
Dragon spells you cast cost {1} less to cast.
1 /
3
{1}{R}{R}
Dragonspeaker Shaman
Creature - Human Barbarian Shaman
Dragon spells you cast cost {2} less to cast.
2 /
2
{6}
Dreamstone Hedron
Artifact
{T}: Add {C}{C}{C}.
{3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.
{3}{G}{W}
Dromoka, the Eternal
Legendary Creature - Dragon
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.)
5 /
5
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{4}{B}
Fearsome Awakening
Sorcery
Return target creature card from your graveyard to the battlefield. If it's a Dragon, put two +1/+1 counters on it.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{4}{R}{R}
Forgestoker Dragon
Creature - Dragon
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.
5 /
4
{4}{R}{W}
Gleam of Battle
Enchantment
Whenever a creature you control attacks, put a +1/+1 counter on it.
--
Golgari Guildgate
Land - Gate
Golgari Guildgate enters the battlefield tapped.
{T}: Add {B} or {G}.
--
Gruul Guildgate
Land - Gate
Gruul Guildgate enters the battlefield tapped.
{T}: Add {R} or {G}.
{2}{R}{G}
Gruul War Chant
Enchantment
Attacking creatures you control get +1/+0 and have menace.
--
Haven of the Spirit Dragon
Land
{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.
{4}
Hedron Archive
Artifact
{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.
{5}{R}{R}
Hellkite Igniter
Creature - Dragon
Flying, haste
{1}{R}: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.
5 /
5
{4}{R}{R}
Hellkite Tyrant
Creature - Dragon
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.
6 /
5
{5}{G}
Herdchaser Dragon
Creature - Dragon
Flying, trample
Megamorph {5}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Herdchaser Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.
3 /
3
--
Holdout Settlement
Land
{T}: Add {C}. ({C} represents colorless mana.)
{T}, Tap an untapped creature you control: Add one mana of any color.
{3}{G}
Hunt the Weak
Sorcery
Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)
{3}{U}{U}
Icefall Regent
Creature - Dragon
Flying
When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Icefall Regent.
Spells your opponents cast that target Icefall Regent cost {2} more to cast.
4 /
3
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Izzet Guildgate
Land - Gate
Izzet Guildgate enters the battlefield tapped.
{T}: Add {U} or {R}.
{3}{B}{R}
Kolaghan, the Storm's Fury
Legendary Creature - Dragon
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.)
4 /
5
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
--
Meandering River
Land
Meandering River enters the battlefield tapped.
{T}: Add {W} or {U}.
{4}{U}{U}
Mindscour Dragon
Creature - Dragon
Flying
Whenever Mindscour Dragon deals combat damage to an opponent, target player mills four cards.
4 /
4
{4}{B}{R}
Morgue Burst
Sorcery
Return target creature card from your graveyard to your hand. Morgue Burst deals damage to any target equal to the power of the card returned this way.
--
Mortuary Mire
Land
Mortuary Mire enters the battlefield tapped.
When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.
{T}: Add {B}.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{3}{U}{R}{W}
Numot, the Devastator
Legendary Creature - Dragon
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.
6 /
6
{1}{W}{U}{B}{R}{G}
O-Kagachi, Vengeful Kami
Legendary Creature - Dragon Spirit
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.
6 /
6
{5}{W}{U}
Ojutai, Soul of Winter
Legendary Creature - Dragon
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.
5 /
6
{3}{R}{W}{B}
Oros, the Avenger
Legendary Creature - Dragon
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.
6 /
6
--
Painted Bluffs
Land - Desert
{T}: Add {C}.
{1}, {T}: Add one mana of any color.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Rakdos Guildgate
Land - Gate
Rakdos Guildgate enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Rogue's Passage
Land
{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.
--
Rugged Highlands
Land
Rugged Highlands enters the battlefield tapped.
When Rugged Highlands enters the battlefield, you gain 1 life.
{T}: Add {R} or {G}.
{2}{G}{U}{R}
Sarkhan Unbroken
Legendary Planeswalker - Sarkhan
+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.
L:
4
{4}{R}
Sarkhan's Rage
Instant
Sarkhan's Rage deals 5 damage to any target. If you control no Dragons, Sarkhan's Rage deals 2 damage to you.
{2}{R}
Sarkhan's Triumph
Instant
Search your library for a Dragon creature card, reveal it, put it into your hand, then shuffle.
{4}{R}{G}
Savage Ventmaw
Creature - Dragon
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.
4 /
4
{W}{U}{B}{R}{G}
Scion of the Ur-Dragon
Legendary Creature - Dragon Avatar
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.
4 /
4
{3}
Seer's Lantern
Artifact
{T}: Add {C}.
{2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{4}{G}
Sight of the Scalelords
Enchantment
At the beginning of combat on your turn, creatures you control with toughness 4 or greater get +2/+2 and gain vigilance until end of turn.
{U}{U}
Silumgar's Scorn
Instant
As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Counter target spell unless its controller pays {1}. If you revealed a Dragon card or controlled a Dragon as you cast this spell, counter that spell instead.
{4}{U}{B}
Silumgar, the Drifting Death
Legendary Creature - Dragon
Flying, hexproof
Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn.
3 /
7
--
Simic Guildgate
Land - Gate
Simic Guildgate enters the battlefield tapped.
{T}: Add {G} or {U}.
{5}{R}{R}
Skyline Despot
Creature - Dragon
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.
5 /
5
--
Spire of Industry
Land
{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.
--
Stone Quarry
Land
Stone Quarry enters the battlefield tapped.
{T}: Add {R} or {W}.
{3}{W}{W}
Sunscorch Regent
Creature - Dragon
Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life.
4 /
3
--
Survivors' Encampment
Land - Desert
{T}: Add {C}.
{T}, Tap an untapped creature you control: Add one mana of any color.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{G}{U}{R}
Temur Ascendancy
Enchantment
Creatures you control have haste.
Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card.
{3}{W}{B}{G}
Teneb, the Harvester
Legendary Creature - Dragon
Flying
Whenever Teneb, the Harvester deals combat damage to a player, you may pay {2}{B}. If you do, put target creature card from a graveyard onto the battlefield under your control.
6 /
6
{4}{W}{U}{B}{R}{G}
The Ur-Dragon
Legendary Creature - Dragon Avatar
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.
10 /
10
--
Thornwood Falls
Land
Thornwood Falls enters the battlefield tapped.
When Thornwood Falls enters the battlefield, you gain 1 life.
{T}: Add {G} or {U}.
{2}{R}{R}
Thunderbreak Regent
Creature - Dragon
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.
4 /
4
--
Timber Gorge
Land
Timber Gorge enters the battlefield tapped.
{T}: Add {R} or {G}.
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
--
Transguild Promenade
Land
Transguild Promenade enters the battlefield tapped.
When Transguild Promenade enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
--
Unknown Shores
Land
{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{3}
Urza's Incubator
Artifact
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
{6}{R}{R}
Utvara Hellkite
Creature - Dragon
Flying
Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.
6 /
6
{3}{B}{G}{U}
Vorosh, the Hunter
Legendary Creature - Dragon
Flying
Whenever Vorosh, the Hunter deals combat damage to a player, you may pay {2}{G}. If you do, put six +1/+1 counters on Vorosh.
6 /
6
{4}{W}{W}
Wardscale Dragon
Creature - Dragon
Flying
As long as Wardscale Dragon is attacking, defending player can't cast spells.
4 /
4
--
Warped Landscape
Land
{T}: Add {C}.
{2}, {T}, Sacrifice Warped Landscape: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{B}{R}{G}
Wasitora, Nekoru Queen
Legendary Creature - Cat Dragon
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.
5 /
4
--
Wind-Scarred Crag
Land
Wind-Scarred Crag enters the battlefield tapped.
When Wind-Scarred Crag enters the battlefield, you gain 1 life.
{T}: Add {R} or {W}.
--
Woodland Stream
Land
Woodland Stream enters the battlefield tapped.
{T}: Add {G} or {U}.
{5}{G}{G}
Zendikar Resurgent
Enchantment
Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.)