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

Ambitious Dragonborn enters the battlefield with X +1/+1 counters on it, where X is the greatest power among creatures you control and creature cards in your graveyard.

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

Creatures you control have trample.

Creatures your opponents control lose trample and can't have or gain trample.

Trample

When Avenging Hunter enters the battlefield, you take the initiative.

Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.

(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.

Scorching Ray -- {8}: Bhaal's Invoker deals 4 damage to each opponent.

{1}, {T}: You gain 2 life.

{2}, {T}, Exile Campfire: Put all commanders you own from the command zone and from your graveyard into your hand. Then shuffle your graveyard into your library.

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

({T}: Add {R} or {G}.)

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

{T}: Add {G} for each creature you control.

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

Roll a d20.

1--9 | Tap all creatures your opponents control.

10--19 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps.

20 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. Until your next turn, creatures your opponents control enter the battlefield tapped.

{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.

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.

Whenever Delina, Wild Mage attacks, choose target creature you control, then roll a d20.

1--14 | Create a tapped and attacking token that's a copy of that creature, except it's not legendary and it has "At end of combat, exile this creature."

15--20 | Create one of those tokens. You may roll again.

At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)

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

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.

Dread Linnorm can't be blocked by creatures with power 3 or less.

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Put two +1/+1 counters on target creature and untap it. It gains hexproof until end of turn. (Then exile this card. You may cast the creature later from exile.)

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.

Flying, trample

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Counter target activated or triggered ability from a noncreature source. (Then exile this card. You may cast the creature later from exile.)

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

Draw a card, then each other player may draw a card. Whenever a card is drawn this way, Explosion of Riches deals 5 damage to target opponent chosen at random from among your opponents.

Flying

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Forktail Sweep deals 1 damage to each creature you don't control. (Then exile this card. You may cast the creature later from exile.)

Enchant land

When Find the Path enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.)

Enchanted land has "{T}: Add {G}{G}."

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

When Fraying Line enters the battlefield, put a rope counter on target creature you control.

At the beginning of each player's upkeep, that player may pay {2}. If they do, they put a rope counter on a creature they control. Otherwise, exile Fraying Line and each creature without a rope counter on it, then remove all rope counters from all creatures.

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.)

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.

Enchant land

When Gift of Paradise enters the battlefield, you gain 3 life.

Enchanted land has "{T}: Add two mana of any one color."

{T}: Add {R}. Put a stash counter on Glittering Stockpile.

{T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.

Flying

Poison Breath -- When Green Dragon enters the battlefield, until end of turn, whenever a creature an opponent controls is dealt damage, destroy it.

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 Icon of Ancestry enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

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

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({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.)

Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle.

Prevent all combat damage that would be dealt this turn.

Flying

Confounding Clouds -- When Juvenile Mist Dragon enters the battlefield, for each opponent, tap up to one target creature that player controls. Each of those creatures doesn't untap during its controller's next untap step.

As Kindred Discovery enters the battlefield, choose a creature type.

Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

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

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

Whenever you cast a noncreature spell, target creature gets +X/+0 until end of turn, where X is that spell's mana value.

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

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, 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.

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

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Mill five cards, then return a creature card milled this way to your hand. (Then exile this card. You may cast the artifact later from exile.)

{1}, {T}: Add {R}{G}.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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

Bigby's Hand -- {T}: Untap two other target permanents. Activate only as a sorcery and only once each turn.

Flying

When Oceanus Dragon enters the battlefield, tap target creature an opponent controls. Goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Mama's Coming -- Whenever Owlbear Cub attacks a player who controls eight or more lands, look at the top eight cards of your library. You may put a creature card from among them onto the battlefield tapped and attacking that player. Put the rest on the bottom of your library in a random order.

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.")

Racers' Ring enters the battlefield tapped.

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

{2}{R}{G}, {T}, Sacrifice Racers' Ring: Draw a card.

When Radiant Fountain enters the battlefield, you gain 2 life.

{T}: Add {C}.

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

Flying

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

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

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

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.)

Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

Rugged Highlands enters the battlefield tapped.

When Rugged Highlands enters the battlefield, you gain 1 life.

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

This spell costs {1} less to cast for each card you own in exile and in your graveyard that's an instant card, a sorcery card, or a card that has an Adventure.

Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)

Flying

Whenever Sapphire Dragon attacks or blocks, scry 2.

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Counter target noncreature spell. (Then exile this card. You may cast the creature later from exile.)

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

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

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.

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.

Conjure Elemental -- {8}: Untap target land you control. It becomes an 8/8 Elemental creature with trample and haste until end of turn. It's still a land.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

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

Defender

When Stirring Bard enters the battlefield, you take the initiative.

Mantle of Inspiration -- {T}: Target creature gains menace and haste until end of turn.

Swiftwater Cliffs enters the battlefield tapped.

When Swiftwater Cliffs enters the battlefield, you gain 1 life.

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

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

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Return target creature to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

Temple of Abandon enters the battlefield tapped.

When Temple of Abandon enters the battlefield, scry 1.

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

Temple of Epiphany enters the battlefield tapped.

When Temple of Epiphany enters the battlefield, scry 1.

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

Temple of Mystery enters the battlefield tapped.

When Temple of Mystery enters the battlefield, scry 1.

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

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.

Thornwood Falls enters the battlefield tapped.

When Thornwood Falls enters the battlefield, you gain 1 life.

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

Trample

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

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

Haste

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Training Center enters the battlefield tapped unless you have two or more opponents.

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

Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature.

Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.

Flying

Young Red Dragon can't block.

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Create a Treasure token. (Then exile this card. You may cast the creature later from exile.)