{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.

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

As this artifact enters, 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.

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, it enters 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 and the rest on top in any order.)

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

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

Flying

Defender When this creature dies, create a 2/2 red Dragon creature token with flying and "{R}: This token gets +1/+0 until end of turn."

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

Flying Whenever Ganax or another Dragon you control enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Choose a Background (You can have a Background as a second commander.)

Flying Whenever this creature attacks, it deals 1 damage to target creature defending player controls.

Flying When Jugan dies, you may distribute five +1/+1 counters among any number of target creatures.

Flying Whenever another nontoken Dragon you control enters, create a 5/5 red Dragon creature token with flying. {1}{R}: Dragons you control get +1/+0 until end of turn.

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

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.

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

This spell costs {1} less to cast for each land card in your graveyard. Flying, haste

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

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

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.)

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

Flying {R}: This creature gets +1/+0 until end of turn.

Whenever Skanos Dragonheart attacks, it gets +X/+X until end of turn, where X is the greatest power among other Dragons you control and Dragon cards in your graveyard. Choose a Background (You can have a Background as a second commander.)

Flying When this creature enters, you may pay {2}{R}. When you do, it deals 3 damage to any target.

Flying, haste Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

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

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

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

({T}: Add {G}.)

This land enters tapped. {T}: Add {R} or {G}.

({T}: Add {R} or {G}.) This land enters tapped.

({T}: Add {U}.)

This land enters tapped. {T}: Add {U} or {R}.

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

({T}: Add {R}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {R} or {G}.

This land enters tapped. {T}: Add {G} or {U}.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {G}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {G} or {U}.