Flying

Whenever another permanent enters the battlefield under your control, look at the top card of your library. If it shares a card type with that permanent, you may reveal that card and put it into your hand.

Arcane Sanctum enters the battlefield tapped.

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

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

Flying, trample

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

Indestructible

Other legendary permanents you control have indestructible.

{1}, {T}: Add {W}{U}.

(Gain the next level as a sorcery to add its ability.)

Legendary creatures you control enter the battlefield with an additional +1/+1 counter on them.

{R}{G}: Level 2

Legendary spells you cast cost {R}{G} less to cast. This effect reduces only the amount of colored mana you pay.

{3}{R}{G}: Level 3

Whenever you cast a legendary spell, exile the top two cards of your library. You may play them this turn.

Black Dragon Gate enters the battlefield tapped.

As Black Dragon Gate enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen 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.

Flying

Whenever a Dragon you control dies while Boneyard Scourge is in your graveyard, you may pay {1}{B}. If you do, return Boneyard Scourge from your graveyard to the battlefield.

{T}: Add {R}. If that mana is spent on a Dragon creature spell, it gains haste until end of turn.

Citadel Gate enters the battlefield tapped.

As Citadel Gate enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

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

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

Sacrifice Commander's Sphere: Draw a card.

Dragon creatures you control get +3/+3.

{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.

Crumbling Necropolis enters the battlefield tapped.

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

Choose one --

• Destroy all Dragon creatures.

• Destroy all non-Dragon creatures.

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

You have no maximum hand size.

{T}: Add one mana of any color.

Exile target permanent with mana value 4 or greater.

Search your library for a card, put that card into your hand, then shuffle.

{1}, {T}: Add {U}{B}.

This spell can't be countered.

Counter target noncreature spell.

Flash

Drag Below -- When Dragon Turtle enters the battlefield, tap it and up to one target creature an opponent controls. They don't untap during their controllers' next untap steps.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand or choose a Dragon you control.

Dragon's Fire deals 3 damage to target creature or planeswalker. If you revealed a Dragon card or chose a Dragon as you cast this spell, Dragon's Fire deals damage equal to the power of that card or creature instead.

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

Dragonlord Ojutai has hexproof as long as it's untapped.

Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

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

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

Choose two --

• Prevent all damage target instant or sorcery spell would deal this turn.

• Target player sacrifices an enchantment.

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

• Target creature you control fights target creature you don't control.

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.)

This spell costs {X} less to cast, where X is the total mana value of Dragons you control.

Flying, trample

{2}{G}, Sacrifice a land: Return Earthquake Dragon from your graveyard to your hand.

Flash

Flying

Ebondeath, Dracolich enters the battlefield tapped.

You may cast Ebondeath, Dracolich from your graveyard if a creature not named Ebondeath, Dracolich died this turn.

Return any number of permanent cards with different names from your graveyard to the battlefield.

Choose one --

• Destroy target enchantment.

• Draw two cards.

• Target player discards two cards.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped.

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

Flying

Whenever Ganax, Astral Hunter or another Dragon enters the battlefield under your control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Choose a Background (You can have a Background as a second commander.)

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

{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.

Each legendary creature you control gets +1/+1 for each other legendary creature you control.

{X}, {T}: Look at the top X cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

({T}: Add {U}.)

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, it enters the battlefield with an additional +1/+1 counter on it and gains hexproof until your next turn. (It can't be the target of spells or abilities your opponents control.)

Jungle Shrine enters the battlefield tapped.

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

Choose two --

• Each opponent sacrifices a creature.

• Exile all opponents' graveyards.

• Create a 1/1 white and black Spirit creature token with flying.

• You gain 4 life.

Entwine {3} (Choose all if you pay the entwine cost.)

Destroy all creatures. You gain life equal to the number of creatures you controlled that were destroyed this way.

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.)

You may look at the top card of your library any time.

You may cast Dragon spells from the top of your library.

Flash

Flying

When Kyodai, Soul of Kamigawa enters the battlefield, another target permanent gains indestructible for as long as you control Kyodai.

{W}{U}{B}{R}{G}: Kyodai gets +5/+5 until end of turn.

Flying

Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander.

Manor Gate enters the battlefield tapped.

As Manor Gate enters the battlefield, choose a color other than green.

{T}: Add {G} or one mana of the chosen color.

Flying, ward {2}

Whenever another nontoken Dragon enters the battlefield under your control, create a token that's a copy of it, except the token isn't legendary.

Menace

Pack tactics -- Whenever Minion of the Mighty attacks, if you attacked with creatures with total power 6 or greater this combat, you may put a Dragon creature card from your hand onto the battlefield tapped and attacking.

Destroy target creature or enchantment.

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}.

({T}: Add {R}.)

Mystic Monastery enters the battlefield tapped.

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

Vigilance

Whenever Nadaar, Selfless Paladin enters the battlefield or attacks, venture into the dungeon. (Enter the first room or advance to the next room.)

Other creatures you control get +1/+1 as long as you've completed a dungeon.

Nomad Outpost enters the battlefield tapped.

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

Choose one --

• Return target multicolored permanent card with mana value 3 or less from your graveyard to the battlefield tapped.

• Counter target instant or sorcery spell.

• Destroy target creature or planeswalker with mana value 3 or less.

When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Haste

Whenever a creature you control with haste attacks, create a tapped Treasure token.

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.

Opulent Palace enters the battlefield tapped.

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

{1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

{R}, {T}, Sacrifice Orb of Dragonkind: Look at the top seven cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

{1}, {T}: Add {W}{B}.

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.)

When Patron of the Arts enters the battlefield or dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

({T}: Add {W}.)

Flying

{2}{U}: Target creature gains flying until end of turn.

{T}: Add one mana of any type that a land you control could produce.

Flying, ward {2}

Other Dragons you control have ward {2}.

At the beginning of your end step, if a creature or planeswalker an opponent controlled was dealt excess damage this turn, create a 4/4 red Dragon creature token with flying.

Menace

{T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells.

Once during each of your turns, you may cast a Dragon creature spell from your graveyard.

Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it."

Sandsteppe Citadel enters the battlefield tapped.

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

Savage Lands enters the battlefield tapped.

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

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, you gain 2 life.

Sea Gate enters the battlefield tapped.

As Sea Gate enters the battlefield, choose a color other than blue.

{T}: Add {U} or one mana of the chosen color.

Seaside Citadel enters the battlefield tapped.

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

As Secluded Courtyard enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

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

Flying, haste

Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.

({T}: Add {B}.)

As Temple of the Dragon Queen enters the battlefield, you may reveal a Dragon card from your hand. Temple of the Dragon Queen enters the battlefield tapped unless you revealed a Dragon card this way or you control a Dragon.

As Temple of the Dragon Queen enters the battlefield, choose a color.

{T}: Add one mana of the chosen color.

Creatures you control have haste.

Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card.

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.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

(As this Saga enters and after your draw step, add a lore counter.)

I, II -- You gain 2 life. Look at the top three cards of your library. Exile one of them face down with a hatching counter on it, then put the rest on the bottom of your library in any order.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

Whenever Dragon-Kami's Egg or a Dragon you control dies, you may cast a creature spell from among cards you own in exile with hatching counters on them without paying its mana cost.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I -- The Elder Dragon War deals 2 damage to each creature and each opponent.

II -- Discard any number of cards, then draw that many cards.

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

(As this Saga enters and after your draw step, add a lore counter.)

I -- Exile target nonland permanent an opponent controls.

II -- Return up to one other target nonland permanent to its owner's hand. Then each opponent discards a card.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

O-Kagachi Made Manifest is all colors.

Flying, trample

Whenever O-Kagachi Made Manifest attacks, defending player chooses a nonland card in your graveyard. Return that card to your hand. O-Kagachi Made Manifest gets +X/+0 until end of turn, where X is the mana value of that card.

Trample

Whenever Thrakkus the Butcher attacks, double the power of each Dragon you control until end of turn.

{4}, {T}: You may put a historic permanent card from your hand onto the battlefield. (Artifacts, legendaries, and Sagas are historic.)

Thriving Heath enters the battlefield tapped.

As Thriving Heath enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

Thriving Isle enters the battlefield tapped.

As Thriving Isle enters the battlefield, choose a color other than blue.

{T}: Add {U} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped.

As Thriving Moor enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen color.

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.

Flying

When Tiamat enters the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle.

Return a creature you control to its owner's hand, then destroy all creatures.

As Unclaimed Territory enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Kicker {3} (You may pay an additional {3} as you cast this spell.)

Flying

When Verix Bladewing enters the battlefield, if it was kicked, create Karox Bladewing, a legendary 4/4 red Dragon creature token with flying.

This spell can't be countered.

Destroy target nonland permanent.