Partner with Sylvia Brightspear (When this creature enters, target player may put Sylvia into their hand from their library, then shuffle.) Flying, haste Knights your team controls have flying and haste.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

{T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater.

This land enters tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

{T}: Add {C}. {1}, {T}: Put a storage counter on this land. {T}, Remove X storage counters from this land: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

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

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell. {2}, {T}, Sacrifice this land: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

({T}: Add {R}.)

{T}: Add {C}. {1}: This land becomes a 2/2 creature with all creature types until end of turn. It's still a land.

This land enters tapped. {T}: Add {R} or {W}. {2}{R}{W}: This land becomes a 2/1 red and white Elemental creature with double strike until end of turn. It's still a land.

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.)

({T}: Add {W}.)

{T}: Add {C}. {R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.

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

This land enters tapped unless you control two or more other lands. {T}: Add {R} or {W}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {R} or {W}.

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

{T}: Add one mana of any color. {4}, {T}: Each player who controls a permanent named Bonder's Ornament draws a card.

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

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

Whenever a Dragon you control enters, put a gold counter on this artifact. {T}, Remove a gold counter from this artifact: Draw a card. {T}: Add one mana of any color.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

{1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons. {R}, {T}, Sacrifice this artifact: Look at the top seven cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

{2}, {T}, Sacrifice a creature: Search your library for a creature card that shares a creature type with the sacrificed creature and has mana value equal to 1 plus that creature's mana value. Put that card onto the battlefield, then shuffle. Activate only as a sorcery.

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

{T}: Add {C}. {T}: Add {R} or {W}. This artifact deals 1 damage to you.

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

As an additional cost to cast this spell, discard two cards. Draw three cards.

Return target permanent card from your graveyard to the battlefield. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

Choose two target creatures that share no creature types. Those creatures fight each other. (Each deals damage equal to its power to the other.)

You and target opponent each draw three cards.

Each player who controls a creature with power 4 or greater draws a card. Then destroy all creatures.

Flying Whenever this creature deals combat damage to a player, it deals that much damage to each creature that player controls.

As this creature enters, choose another creature you control. Sacrifice this creature: The chosen creature gains indestructible until end of turn.

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

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

During your turn, this creature has flying. Whenever this creature attacks, you may pay {2}{R}. If you do, creatures you control get +X/+0 until end of turn, where X is the number of opponents you have.

Flying {3}{W}{W}: Return this card from your graveyard to your hand. Activate only during your upkeep. Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

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.)

Flash Vigilance When this creature enters, any number of other target creatures you control phase out. (Treat them and anything attached to them as though they don't exist until their controller's next turn.)

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever this creature attacks, create two 1/1 white Soldier creature tokens that are tapped and attacking.

Haste Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever this creature attacks, creatures with power 1 or less can't block this turn.

Flying When this creature enters, you may search your library for an artifact card, exile it, then shuffle. When this creature dies, you may put the exiled card into its owner's hand.

Knight creatures you control have double strike.

First strike (This creature deals combat damage before creatures without first strike.) Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

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.

{1}{W}: Choose another target creature. Its controller may exile it with an aegis counter on it. {2}{W}, {T}: Return all exiled cards with aegis counters on them to the battlefield under their owners' control. Partner (You can have two commanders if both have partner.)

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

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.

Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, destroy target nonland permanent that player controls.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as this creature is paired with another creature, both creatures have double strike.

First strike When this creature enters, you may search your library for a legendary card, reveal it, put it into your hand, then shuffle.

Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, this creature deals 3 damage to that player.

Flying Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.) Eternalize {2}{W}{W} ({2}{W}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Dragon with no mana cost. Eternalize only as a sorcery.)

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Vigilance, trample Whenever Tori D'Avenant attacks, all other attacking creatures you control get +1/+1 until end of turn. Other red attacking creatures you control gain trample until end of turn. Untap each other white attacking creature you control.

Other Knights you control get +1/+1. {3}{W}{W}: Knights you control gain double strike until end of turn.

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."

Commander creatures you own have "Whenever you cast a spell that shares a creature type with this creature, draw a card. This ability triggers only once each turn."

Enchant creature Enchanted creature can't attack or block.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Enchant opponent At the beginning of enchanted opponent's end step, you and that player each draw a card. When you attack enchanted opponent or a planeswalker they control or when they attack you or a planeswalker you control, sacrifice this Aura.

{2}, Sacrifice a creature: This enchantment deals 2 damage to any target.

Dragon's Presence deals 5 damage to target attacking or blocking creature.

Choose one or both — • Target Human creature you control gets +1/+1 and gains indestructible until end of turn. • Target non-Human creature you control gets +1/+1 and gains indestructible until end of turn.

Discard all the cards in your hand, then draw that many cards plus one. You gain life equal to the number of cards in your hand.

Search your library for a Dragon creature card, reveal it, put it into your hand, then shuffle.

Choose one — • Destroy target artifact. • Shredded Sails deals 4 damage to target creature with flying. Cycling {2} ({2}, Discard this card: Draw a card.)

Spit Flame deals 4 damage to target creature. Whenever a Dragon you control enters, you may pay {R}. If you do, return this card from your graveyard to your hand.

Exile target creature. Its controller gains life equal to its power.