Spellbound Dragon

Flying Whenever Spellbound Dragon attacks, draw a card, then discard a card. Spellbound Dragon gets +X/+0 until end of turn, where X is the discarded card's converted mana cost.

Rain of Thorns

Choose one or more — Destroy target artifact; destroy target enchantment; and/or destroy target land.

Commander's Sphere

{T}: Add to your mana pool one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Tyrant's Familiar

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."

Deathbringer Regent

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.

Dragon Tempest

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 target creature or player, where X is the number of Dragons you control.

Dragonlord's Servant

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

Haven of the Spirit Dragon

{T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. 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.

Orator of Ojutai

As an additional cost to cast Orator of Ojutai, you may reveal a Dragon card from your hand. Defender, flying When Orator of Ojutai enters the battlefield, if you revealed a Dragon card or controlled a Dragon as you cast Orator of Ojutai, draw a card.

Savage Ventmaw

Flying Whenever Savage Ventmaw attacks, add {R}{R}{R}{G}{G}{G} to your mana pool. Until end of turn, this mana doesn't empty from your mana pool as steps and phases end.

Sunscorch Regent

Flying Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life.

Atarka, World Render

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

Crucible of the Spirit Dragon

{T}: Add {1} to your mana pool. {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 to your mana pool. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Crux of Fate

Choose one — • Destroy all Dragon creatures. • Destroy all non-Dragon creatures.

Dromoka, the Eternal

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.)

Frontier Siege

As Frontier Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of each of your main phases, add {G}{G} to your mana pool. • Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.

Kolaghan, the Storm's Fury

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.)

Monastery Siege

As Monastery Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of your draw step, draw an additional card, then discard a card. • Dragons — Spells your opponents cast that target you or a permanent you control cost {2} more to cast.

Ojutai, Soul of Winter

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.

Palace Siege

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.

Silumgar, the Drifting Death

Flying, hexproof Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn.

Fist of Suns

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you play.

Frontier Bivouac

Frontier Bivouac enters the battlefield tapped. {T}: Add {G}, {U}, or {R} to your mana pool.

Opulent Palace

Opulent Palace enters the battlefield tapped. {T}: Add {B}, {G}, or {U} to your mana pool.

Sandsteppe Citadel

Sandsteppe Citadel enters the battlefield tapped. {T}: Add {W}, {B}, or {G} to your mana pool.

Scourge of Valkas

Flying Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to target creature or player, where X is the number of Dragons you control. {R}: Scourge of Valkas gets +1/+0 until end of turn.

Elemental Bond

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

Intet, the Dreamer

Flying Whenever Intet, the Dreamer deals combat damage to a player, you may pay {2}{U}. If you do, remove the top card of your library from the game face down. You may look at that card as long as it remains removed from the game. You may play that card without paying its mana cost as long as Intet remains in play.

Teneb, the Harvester

Flying Whenever Teneb, the Harvester deals combat damage to a player, you may pay {2}{B}. If you do, put target creature card in a graveyard into play under your control.

Crosis, the Purger

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 his or her hand and discards all cards of that color.

Ryusei, the Falling Star

Flying When Ryusei, the Falling Star is put into a graveyard from play, it deals 5 damage to each creature without flying.

Cultivate

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

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card and put it into play tapped. Then shuffle your library.

Niv-Mizzet, Dracogenius

Flying Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet, Dracogenius deals 1 damage to target creature or player.

Utvara Hellkite

Flying Whenever a Dragon you control attacks, put a 6/6 red Dragon creature token with flying onto the battlefield.

Nihil Spellbomb

{T}, Sacrifice Nihil Spellbomb: Exile all cards from target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Steel Hellkite

Flying {2}: Steel Hellkite gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with converted mana cost X whose controller was dealt combat damage by Steel Hellkite this turn. Activate this ability only once each turn.

Bladewing the Risen

Flying When Bladewing the Risen comes into play, you may return target Dragon card from your graveyard to play. {B}{R}: All Dragons get +1/+1 until end of turn.

Dragonspeaker Shaman

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

Arcane Sanctum

Arcane Sanctum comes into play tapped. {T}: Add {W}, {U}, or {B} to your mana pool.

Broodmate Dragon

Flying When Broodmate Dragon comes into play, put a 4/4 red Dragon creature token with flying into play.

Crucible of Fire

Enchantment

Crumbling Necropolis

Crumbling Necropolis comes into play tapped. {T}: Add {U}, {B}, or {R} to your mana pool.

Jungle Shrine

Jungle Shrine comes into play tapped. {T}: Add {R}, {G}, or {W} to your mana pool.

Savage Lands

Savage Lands comes into play tapped. {T}: Add {B}, {R}, or {G} to your mana pool.

Seaside Citadel

Seaside Citadel comes into play tapped. {T}: Add {G}, {W}, or {U} to your mana pool.

Mystic Monastery

Mystic Monastery enters the battlefield tapped. {T}: Add {U}, {R}, or {W} to your mana pool.

Nomad Outpost

Nomad Outpost enters the battlefield tapped. {T}: Add {R}, {W}, or {B} to your mana pool.

Scion of the Ur-Dragon

Flying {2}: Search your library for a Dragon 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 your library.

Armillary Sphere

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, and put them into your hand. Then shuffle your library.

Hellkite Charger

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.

Painful Truths

Darksteel Ingot

Dreamstone Hedron

Earthquake

Kodama's Reach

Lightning Greaves

Sol Ring

Vivid Crag

Vivid Creek

Vivid Grove

Vivid Marsh

Vivid Meadow

Wayfarer's Bauble

Command Tower

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

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)

Mountain

({T}: Add {R}.)

Forest

({T}: Add {G}.)