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

Creatures with flying can't block creatures you control.

Dragon creatures you control get +3/+3.

Commander creatures you own have "At the beginning of your end step, if a source you controlled dealt 5 or more damage this turn, create a 4/4 red Dragon creature token with flying."

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.

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

Creatures you control have haste. Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn.

You may cast Dragon spells and artifact spells as though they had flash. Choose a Background (You can have a Background as a second commander.)

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

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

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

This spell costs {2} less to cast if you control a Dragon. Draw three cards.

When Draconic Muralists dies, you may search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

Flying Whenever Dragon Mage deals combat damage to a player, each player discards their hand, then draws seven cards.

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

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.) Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

Draw three cards.

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

You may look at the top card of your library any time. You may cast Dragon spells from the top of your library.

Flying {5}{R}, Exile Runehorn Hellkite from your graveyard: Each player discards their hand, then draws seven cards.

Flying Fire Breath — When Red Dragon enters the battlefield, it deals 4 damage to each opponent.

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.

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

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

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

({T}: Add {G}.)

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped. {T}: Add {R} or {G}.

Gruul Turf enters the battlefield tapped. When Gruul Turf enters the battlefield, return a land you control to its owner's hand. {T}: Add {R}{G}.

{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 {U}.)

{T}: Add {C}. {T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

({T}: Add {U} or {R}.) Molten Tributary enters the battlefield tapped.

({T}: Add {R}.)

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.)

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

({T}: Add {G} or {U}.) Tangled Islet enters the battlefield tapped.

Temple of Abandon enters the battlefield tapped. When Temple of Abandon enters the battlefield, scry 1. {T}: Add {R} or {G}.

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.

({T}: Add {R} or {G}.) Wooded Ridgeline enters the battlefield tapped.

{T}: Untap target Forest.

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

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

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.

{T}: Add {G}.

{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.)

{T}: Add {U}. When you spend this mana to cast a Dragon creature spell, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

{T}: Add {G}.

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.

Commander creatures you own have "The first Dragon spell you cast each turn costs {2} less to cast."

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.

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

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

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

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.)

Each spell you cast that's red or green costs {1} less to cast.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Menace Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.

Flying When Rapacious Dragon enters the battlefield, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.

Search your library for a basic land card, put it onto the battlefield, then shuffle. Suspend 2—{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

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 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.

Flying {1}{R}: Mordant Dragon gets +1/+0 until end of turn. Whenever Mordant Dragon deals combat damage to a player, you may have it deal that much damage to target creature that player controls.

Destroy target artifact or enchantment. Its controller gains 4 life.

Counter target noncreature spell.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

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, 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 Landfall — Whenever a land enters the battlefield under your control, Akoum Hellkite deals 1 damage to any target. If that land is a Mountain, Akoum Hellkite deals 2 damage instead.

Target creature you control gets +2/+2 and gains hexproof until end of turn.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Flying When Demanding Dragon enters the battlefield, it deals 5 damage to target opponent unless that player sacrifices a creature.

Flying Whenever Dream Pillager deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards.

At the beginning of your end step, if you control a creature with power 5 or greater, you may draw a card. {T}: Add {C}.

Flying Whenever Flameblast Dragon attacks, you may pay {X}{R}. If you do, Flameblast Dragon deals X damage to any target.

Flying When Foe-Razer Regent enters the battlefield, you may have it fight target creature you don't control. Whenever a creature you control fights, put two +1/+1 counters on it at the beginning of the next end step.

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

When Loaming Shaman enters the battlefield, target player shuffles any number of target cards from their graveyard into their library.

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

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}. {T}: Add {R} or {G}. Talisman of Impulse deals 1 damage to you.

{T}: Add {R} or {G}. {4}{R}{G}: Atarka Monument becomes a 4/4 red and green Dragon artifact creature with flying until end of turn.

Choose one or more — • Clan Defiance deals X damage to target creature with flying. • Clan Defiance deals X damage to target creature without flying. • Clan Defiance deals X damage to target player or planeswalker.

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

{T}: Add one mana of any color. {7}, {T}, Sacrifice Draconic Disciple: Create a 5/5 red Dragon creature token with flying.

First strike Boast abilities you activate cost {1} less to activate for each Dragon you control. Boast — {4}{R}: Create a 5/5 red Dragon creature token with flying. (Activate only if this creature attacked this turn and only once each turn.)

Flying {R}: Furnace Whelp gets +1/+0 until end of turn.

Flying {2}{R}: Harbinger of the Hunt deals 1 damage to each creature without flying. {2}{G}: Harbinger of the Hunt deals 1 damage to each other creature with flying.

Until end of turn, target creature gets +3/+3 and gains trample and "Whenever this creature deals combat damage to a player, draw that many cards."

Kazandu Refuge enters the battlefield tapped. When Kazandu Refuge enters the battlefield, you gain 1 life. {T}: Add {R} or {G}.

Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control.

Provoke the Trolls deals 3 damage to any target. If a creature is dealt damage this way, it gets +5/+0 until end of turn.

Rugged Highlands enters the battlefield tapped. When Rugged Highlands enters the battlefield, you gain 1 life. {T}: Add {R} or {G}.

+1: Until end of turn, Sarkhan, the Dragonspeaker becomes a legendary 4/4 red Dragon creature with flying, indestructible, and haste. (He doesn't lose loyalty while he's not a planeswalker.) −3: Sarkhan, the Dragonspeaker deals 4 damage to target creature. −6: You get an emblem with "At the beginning of your draw step, draw two additional cards" and "At the beginning of your end step, discard your hand."

Shivan Oasis enters the battlefield tapped. {T}: Add {R} or {G}.

Sweltering Suns deals 3 damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

Timber Gorge enters the battlefield tapped. {T}: Add {R} or {G}.