Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)
{1}{G}: Regenerate target creature.
{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
{5}
Belbe's Portal
Artifact
As Belbe's Portal enters the battlefield, choose a creature type.
{3}, {T}: You may put a creature card of the chosen type from your hand onto the battlefield.
{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
--
Bloodstained Mire
Land
{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
{G}
Burgeoning
Enchantment
Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
--
Cinder Glade
Land - Mountain Forest
({T}: Add {R} or {G}.)
Cinder Glade enters the battlefield tapped unless you control two or more basic lands.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
--
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.
{4}{B}{R}{G}
Darigaaz Reincarnated
Legendary Creature - Dragon
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.
7 /
7
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{5}
Dragon Arch
Artifact
{2}, {T}: You may put a multicolored creature card from your hand onto the battlefield.
{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.
{3}
Dragon's Hoard
Artifact
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.
{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}{G}{W}
Dragonlord Dromoka
Legendary Creature - Elder Dragon
This spell can't be countered.
Flying, lifelink
Your opponents can't cast spells during your turn.
5 /
7
{4}{B}{R}
Dragonlord Kolaghan
Legendary Creature - Elder Dragon
Flying, haste
Other creatures you control have haste.
Whenever an opponent casts a creature or planeswalker spell with the same name as a card in their graveyard, that player loses 10 life.
6 /
5
{4}{U}{B}
Dragonlord Silumgar
Legendary Creature - Elder Dragon
Flying, deathtouch
When Dragonlord Silumgar enters the battlefield, gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar.
3 /
5
{1}{R}
Dragonlord's Servant
Creature - Goblin Shaman
Dragon spells you cast cost {1} less to cast.
1 /
3
{R}
Dragonmaster Outcast
Creature - Human Shaman
At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.
1 /
1
{1}{R}{R}
Dragonspeaker Shaman
Creature - Human Barbarian Shaman
Dragon spells you cast cost {2} less to cast.
2 /
2
{8}{R}
Dragonstorm
Sorcery
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.)
{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
{W}
Enlightened Tutor
Instant
Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.
{2}{R}
Fervor
Enchantment
Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)
--
Flooded Strand
Land
{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{5}
Gilded Lotus
Artifact
{T}: Add three mana of any one color.
--
Hallowed Fountain
Land - Plains Island
({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.
--
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}{R}{R}
Hellkite Charger
Creature - Dragon
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.
5 /
5
{4}{B}{R}{R}{G}
Hellkite Overlord
Creature - Dragon
Flying, trample, haste
{R}: Hellkite Overlord gets +1/+0 until end of turn.
{B}{G}: Regenerate Hellkite Overlord.
8 /
8
{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
{4}
Helm of the Host
Legendary Artifact - Equipment
At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.
Equip {5}
{3}
Herald's Horn
Artifact
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.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{4}
Jhoira's Familiar
Artifact Creature - Bird
Flying
Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)
2 /
2
{X}{G}{G}
Kamahl's Druidic Vow
Legendary Sorcery
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Look at the top X cards of your library. You may put any number of land and/or legendary permanent cards with mana value X or less from among them onto the battlefield. Put the rest into your graveyard.
{5}{U}
Keiga, the Tide Star
Legendary Creature - Dragon Spirit
Flying
When Keiga, the Tide Star dies, gain control of target creature.
5 /
5
{5}{B}{B}
Kindred Dominance
Sorcery
Choose a creature type. Destroy all creatures that aren't of the chosen type.
{5}{G}{G}
Kindred Summons
Instant
Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.
{4}{B}{B}
Kokusho, the Evening Star
Legendary Creature - Dragon Spirit
Flying
When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.
5 /
5
--
Krosan Verge
Land
Krosan Verge enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.
{4}{R}{R}
Lathliss, Dragon Queen
Legendary Creature - Dragon
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.
6 /
6
{4}{G}{G}
Lurking Predators
Enchantment
Whenever an opponent casts a spell, reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, you may put that card on the bottom of your library.
{3}{G}
Market Festival
Enchantment - Aura
Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors.
{3}{G}{W}
Mirari's Wake
Enchantment
Creatures you control get +1/+1.
Whenever you tap a land for mana, add one mana of any type that land produced.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{2}{U}{U}{B}{B}{R}{R}
Nicol Bolas
Legendary Creature - Elder Dragon
Flying
At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}.
Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.
7 /
7
{1}{U}{B}{R}
Nicol Bolas, the Ravager
Legendary Creature - Elder Dragon
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.
4 /
4
--
Nicol Bolas, the Arisen
Legendary Planeswalker - Bolas
+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.
4 /
4
{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
{3}{W}{U}
Oath of Teferi
Legendary Enchantment
When Oath of Teferi enters the battlefield, exile another target permanent you control. Return it to the battlefield under its owner's control at the beginning of the next end step.
You may activate the loyalty abilities of planeswalkers you control twice each turn rather than only once.
--
Overgrown Tomb
Land - Swamp Forest
({T}: Add {B} or {G}.)
As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Path of Ancestry
Land
Path of Ancestry enters the battlefield tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{2}
Pillar of Origins
Artifact
As Pillar of Origins enters the battlefield, choose a creature type.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{5}{W}{B}
Primevals' Glorious Rebirth
Legendary Sorcery
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Return all legendary permanent cards from your graveyard to the battlefield.
{4}
Quicksilver Amulet
Artifact
{4}, {T}: You may put a creature card from your hand onto the battlefield.
{6}
Ramos, Dragon Engine
Legendary Artifact Creature - Dragon
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.
4 /
4
{1}{G}
Regrowth
Sorcery
Return target card from your graveyard to your hand.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{5}{R}
Ryusei, the Falling Star
Legendary Creature - Dragon Spirit
Flying
When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying.
5 /
5
--
Sacred Foundry
Land - Mountain Plains
({T}: Add {R} or {W}.)
As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{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
{2}{R}{G}
Sarkhan Vol
Legendary Planeswalker - Sarkhan
+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.
L:
4
{4}{R}{R}
Sarkhan, Dragonsoul
Legendary Planeswalker - Sarkhan
+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.
L:
5
{1}{R}{R}
Sarkhan, Fireblood
Legendary Planeswalker - Sarkhan
+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.
L:
3
{3}{W}{W}
Scalelord Reckoner
Creature - Dragon
Flying
Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, destroy target nonland permanent that player controls.
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
{2}{R}{R}{R}
Scourge of Valkas
Creature - Dragon
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.
4 /
4
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Steam Vents
Land - Island Mountain
({T}: Add {U} or {R}.)
As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{6}
Steel Hellkite
Artifact Creature - Dragon
Flying
{2}: Steel Hellkite gets +1/+0 until end of turn.
{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.
5 /
5
{1}{W}{W}{U}
Supreme Verdict
Sorcery
This spell can't be countered.
Destroy all creatures.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Temple Garden
Land - Forest Plains
({T}: Add {G} or {W}.)
As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{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.
{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
{4}
Thran Dynamo
Artifact
{T}: Add {C}{C}{C}.
{4}
Thran Temporal Gateway
Legendary Artifact
{4}, {T}: You may put a historic permanent card from your hand onto the battlefield. (Artifacts, legendaries, and Sagas are historic.)
--
Tundra
Land - Plains Island
({T}: Add {W} or {U}.)
{8}
Ugin, the Spirit Dragon
Legendary Planeswalker - Ugin
+2: Ugin, the Spirit Dragon deals 3 damage to any target.
-X: Exile each permanent with mana value X or less that's one or more colors.
-10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.
L:
7
{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
--
Volcanic Island
Land - Island Mountain
({T}: Add {U} or {R}.)
{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
--
Windswept Heath
Land
{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.
--
Wooded Foothills
Land
{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.
{3}
Fist of Suns
Artifact
You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.