Commander creatures you own have "Whenever one or more nontoken creatures you control deal combat damage to a player, you create a 1/1 blue Faerie Dragon creature token with flying."

{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.

This artifact enters tapped. {T}: Add {R}.

Whenever equipped creature deals combat damage to a player, scry 1, then draw a card. (To scry 1, look at the top card of your library, then you may put that card on the bottom.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {U} or {R}. {U}{R}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {U} or {R}. {U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice this artifact: Draw two cards.

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

{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 one mana of any color. {2}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}, Tap an untapped artifact or creature you control: Add {C}. Channel — {4}{U}, Discard this card: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.

{T}: Add one mana of any color. {1}, {T}, Tap another untapped artifact you control: Draw a card, then discard a card.

{T}, Tap an untapped creature you control: Add one mana of any color.

Changeling (This card is every creature type.) {T}: Target creature gains all creature types until end of turn. {T}: Target creature loses all creature types until end of turn.

Changeling (This card is every creature type.) Reach {2}: Put target card from your graveyard on the bottom of your library.

Scorching Ray — {8}: This creature deals 4 damage to each opponent.

Sacrifice another creature: Until end of turn, this creature becomes a Dragon with base power and toughness 4/4, flying, and haste.

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

{1}, {T}: Draw a card, then discard a card.

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

Changeling (This card is every creature type.) {R}: This creature gets +1/+0 until end of turn. Activate no more than twice each turn.

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

{T}, Sacrifice this creature: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)

First strike Menace (This creature can't be blocked except by two or more creatures.) {T}, Sacrifice this creature: Add one mana of any color.

{R}, Return this creature to its owner's hand: Add {C}{C}{R}. Activate only as a sorcery.

When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

When this creature enters, if mana from a Treasure was spent to cast it, it gains first strike and haste until end of turn.

As long as you control a Dragon, this creature has flying.

Flying, trample, haste At the beginning of the end step, this creature's owner shuffles it into their library.

Changeling (This card is every creature type.) When this creature enters, if you control three or more creatures that share a creature type, put a +1/+1 counter on this creature, then scry 1.

Trample When this creature enters, if mana from a Treasure was spent to cast it, create a Treasure token for each mana from a Treasure spent to cast it. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

This creature can't be blocked.

Changeling (This card is every creature type.) Flying {1}{U}: This creature gets +1/-1 until end of turn.

Changeling (This card is every creature type.) Tap an untapped creature you control: This creature gains flying until end of turn.

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

Flying When this creature enters, 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.)

Flying As long as you control a transformed permanent, this creature has "When this creature dies, draw a card."

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, you may discard a card. If you do, draw a card.

Flying {2}{U}: Target creature gains flying until end of turn.

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

Sacrifice this creature: Add {R}{R}.

Whenever an artifact you control enters, this creature deals 1 damage to each opponent.

Flying

This creature can't be blocked.

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

Defender When this creature enters, you take the initiative. Mantle of Inspiration — {T}: Target creature gains menace and haste until end of turn.

Changeling (This card is every creature type.) {1}: Add one mana of any color. Activate only once each turn.

Flying When this creature enters, you get {E}{E}{E} (three energy counters). Whenever this creature attacks, you may pay {E}{E}{E}. If you do, put a +1/+1 counter on it.

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

This creature can't be blocked.

Changeling (This card is every creature type.)

Changeling (This card is every creature type.) {R}: This creature gains first strike until end of turn.

Alliance — Whenever another creature you control enters, this creature deals 1 damage to each opponent.

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

Enchant creature Enchanted creature gets +1/+0 and has first strike. Sacrifice this Aura: Enchanted creature and other creatures that share a creature type with it get +1/+0 and gain first strike until end of turn.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Enchant creature Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." (It can't be blocked except by two or more creatures. The token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.") When enchanted creature dies, draw a card.

Add {R} for each creature you control.

Changeling (This card is every creature type.) Up to two target creatures each get +2/+0 and gain all creature types until end of turn.

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

Breath Weapon deals 2 damage to each non-Dragon creature.

Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

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

As an additional cost to cast this spell, you may reveal a Dragon card from your hand. Draconic Roar deals 3 damage to target creature. If you revealed a Dragon card or controlled a Dragon as you cast this spell, Draconic Roar deals 3 damage to that creature's controller.

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.

Draw a card for each attacking creature.

Add {R}{R}{R}.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

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

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

This land enters tapped. {T}: Add {R}. Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {U}. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

{T}: Add {R}.

This land enters tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

This land enters tapped. {T}: Add {R}. {4}{R}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

This land enters tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

({T}: Add {R}.)

This land enters 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.)

This land enters tapped unless a player has 13 or less life. {T}: Add {U} or {R}.

This land enters tapped. {T}: Add {U} or {R}. {4}, {T}: Scry 1.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {R}{R}. If there are no depletion counters on this land, sacrifice it.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {U}{U}. If there are no depletion counters on this land, sacrifice it.

Choose a creature type. Draw a card for each permanent you control of that type.

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.

As an additional cost to cast this spell, sacrifice a creature. Add {R}{R}{R}.

Add {R} for each card in your hand.

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

Choose a creature type. Roar of the Crowd deals damage to any target equal to the number of permanents you control of the chosen type.