Flying

Whenever you cast an instant or sorcery spell, Ashmouth Dragon deals 2 damage to any target.

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.

Flying, haste

Shivan Devastator enters the battlefield with X +1/+1 counters on it.

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

Flying

: Dragon Hatchling gets +1/+0 until end of turn.

Creatures you control gain deathtouch until end of turn. (Then exile this card. You may cast the creature later from exile.)

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

Sacrifice Reckless Barbarian: Add .

Scry 1, then draw a card. (Then exile this card. You may cast the creature later from exile.)

Defender

Whenever you cast an instant or sorcery spell, put a number of ember counters on Smoldering Egg equal to the amount of mana spent to cast that spell. Then if Smoldering Egg has seven or more ember counters on it, remove them and transform Smoldering Egg.

Scorching Ray — : Bhaal's Invoker deals 4 damage to each opponent.

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

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.

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 ", Sacrifice this artifact: Add one mana of any color.")

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.

Double strike

When Phyrexian Dragon Engine enters the battlefield from your graveyard, you may discard your hand. If you do, draw three cards.

Unearth

(Melds with Mishra, Claimed by Gix.)

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

Conjure Elemental — : 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.

Flying, trample

Sacrifice three other creatures: You may put a creature card from your hand onto the battlefield. Activate only as a sorcery and only once each turn.

Flying, vigilance

Whenever a creature with defender enters the battlefield under your control, draw a card.

Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didn't have defender.

Flying, haste

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

Flying

At the beginning of your draw step, draw an additional card.

At the beginning of your end step, discard your hand.

Flying, trample

Whenever Decadent Dragon attacks, create a Treasure token.

Flying

: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

: Dragonborn Immolator gets +1/+0 until end of turn.

Gift of Tiamat — When Dragonborn Immolator dies, note its power. You get a boon with "When you cast your next creature spell, it perpetually gets +X/+0, where X is the noted number."

Flying

Threshold — As long as seven or more cards are in your graveyard, Fledgling Dragon gets +3/+3 and has ": Fledgling Dragon gets +1/+0 until end of turn."

Flying

When Galazeth Prismari enters the battlefield, create a Treasure token.

Artifacts you control have ": Add one mana of any color. Spend this mana only to cast an instant or sorcery spell."

Flying, vigilance

When Icingdeath, Frost Tyrant dies, create Icingdeath, Frost Tongue, a legendary white Equipment artifact token with "Equipped creature gets +2/+0," "Whenever equipped creature attacks, tap target creature defending player controls," and equip .

When Jaded Sell-Sword enters the battlefield, if mana from a Treasure was spent to cast it, it gains first strike and haste until end of turn.

Flying

You don't lose unspent red mana as steps and phases end.

When Leyline Tyrant dies, you may pay any amount of . When you do, it deals that much damage to any target.

Flying

Whenever Loch Dragon enters the battlefield or attacks, you may discard a card. If you do, draw a card.

Flying

Whenever you cast a noncreature spell, create an X/X red Dragon Illusion creature token with flying and haste, where X is the amount of mana spent to cast that spell. Exile that token at the beginning of the next end step.

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

: Nalathni Dragon gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Nalathni Dragon at the beginning of the next end step.

Bigby's Hand — : Untap two other target permanents. Activate only as a sorcery and only once each turn.

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.

: Rakdos Pit Dragon gains flying until end of turn.

: Rakdos Pit Dragon gets +1/+0 until end of turn.

Hellbent — Rakdos Pit Dragon has double strike as long as you have no cards in hand.

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.)

Flying

: Scion of Shiv perpetually gets +1/+0.

Flying, trample

Stingerback Terror gets -1/-1 for each card in your hand.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Flying, haste

At the beginning of combat on your turn, choose an opponent at random that Territorial Hellkite didn't attack during your last combat. Territorial Hellkite attacks that player this combat if able. If you can't choose an opponent this way, tap Territorial Hellkite.

Flying

When Town-Razer Tyrant enters the battlefield, target land you don't control loses all abilities except mana abilities and gains "At the beginning of your upkeep, this permanent deals 2 damage to you unless you sacrifice it."

Kicker (You may pay an additional 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.

Flying

Young Red Dragon can't block.

Flying, vigilance

When Ao, the Dawn Sky dies, choose one —

• Look at the top seven cards of your library. Put any number of nonland permanent cards with total mana value 4 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

• Put two +1/+1 counters on each permanent you control that's a creature or Vehicle.

Flying

Whenever Backdraft Hellkite attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Flying

, Exile seven other cards from your graveyard: Return Bone Dragon from your graveyard to the battlefield tapped.

Flying

When you control no artifacts, sacrifice Covetous Dragon.

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.

Explosive Crystal deals 4 damage divided as you choose among any number of targets. (Then exile this card. You may cast the creature later from exile.)

Flying

Whenever Ganax, Astral Hunter or another Dragon enters the battlefield under your control, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

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