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

As Caged Sun enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

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

{T}: Add {R}. As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

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.

Red creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

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.

As Heraldic Banner enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

{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.

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

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

Flying, haste At the beginning of the end step, return Archwing Dragon to its owner's hand.

Flying Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.

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

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

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

Flying Whenever Drakuseth, Maw of Flames attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.

Flying Gadrak, the Crown-Scourge can't attack unless you control four or more artifacts. At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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.)

Flying, haste Whenever Goldspan Dragon attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

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.

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.

Flying {3}{R}: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's mana value.

This spell can't be countered. Flying, haste {R}: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

Flying You don't lose unspent red mana as steps and phases end. When Leyline Tyrant dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

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.

This spell costs {1} less to cast for each land your opponents control that could produce {C}. Flying When Obsidian Charmaw enters the battlefield, destroy target nonbasic land an opponent controls.

Flying When Opportunistic Dragon enters the battlefield, choose target Human or artifact an opponent controls. For as long as Opportunistic Dragon remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block.

Flying When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying.

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 {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.

Flying, double strike When Terror of Mount Velus enters the battlefield, creatures you control gain double strike until end of turn.

Flying Spells your opponents cast that target Terror of the Peaks cost an additional 3 life to cast. Whenever another creature enters the battlefield under your control, Terror of the Peaks deals damage equal to that creature's power to any target.

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, 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."

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

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.

Nonbasic lands are Mountains.

Dragon creatures you control get +3/+3.

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.

As Molten Echoes enters the battlefield, choose a creature type. Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

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.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Magmaquake deals X damage to each creature without flying and each planeswalker.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Search your library for a Dragon creature card, reveal it, put it into your hand, then shuffle.

Add {R}{R}{R}{R}{R}.

Spit Flame deals 4 damage to target creature. Whenever a Dragon enters the battlefield under your control, you may pay {R}. If you do, return Spit Flame from your graveyard to your hand.

{T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater.

Forgotten Cave enters the battlefield tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

{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.

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Earthquake deals X damage to each creature without flying and each player.

Add seven {R}. You can cast only one more spell this turn.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

Add {R} for each tapped land your opponents control.

Flying, trample When Atsushi, the Blazing Sky dies, choose one — • Exile the top two cards of your library. Until the end of your next turn, you may play those cards. • Create three Treasure tokens.

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.

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

As Cavern of Souls 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, and that spell can't be countered.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}

If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.

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.

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.)

Flash This spell costs {1} less to cast for each attacking creature you control. When Embercleave enters the battlefield, attach it to target creature you control. Equipped creature gets +1/+1 and has double strike and trample. Equip {3}

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.

Imprint — When Extraplanar Lens enters the battlefield, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

As Gauntlet of Power enters the battlefield, choose a color. Creatures of the chosen color get +1/+1. Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells.

As Outpost Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card. • Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

{4}, {T}: You may put a creature card from your hand onto the battlefield.

Sacrifice Reckless Barbarian: Add {R}{R}.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Each player discards their hand, then draws seven cards. Miracle {1}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When Solemn Simulacrum dies, you may draw a card.

{2}: Target creature gains trample until end of turn. If this is the third time this ability has resolved this turn, you may add {R}{R}{R}{R}{R}{R}{R}{R}.

Flying Haste (This creature can attack and {T} as soon as it comes under your control.) When Thundermaw Hellkite enters the battlefield, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.

Valakut, the Molten Pinnacle enters the battlefield tapped. Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target. {T}: Add {R}.