{T}: Add {C}.

{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

+1: Until end of turn, up to one target creature gets +1/+1 and gains first strike, vigilance, and lifelink.

-2: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control.

-7: You get an emblem with "If a source would deal damage to you or a planeswalker you control, prevent all but 1 of that damage."

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

When Arena Rector dies, you may exile it. If you do, search your library for a planeswalker card, put it onto the battlefield, then shuffle.

At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.

{T}: Add {C}.

{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Artifacts and creatures your opponents control enter the battlefield tapped.

0: Put a loyalty counter on each red planeswalker you control.

0: Create two 1/1 red Elemental creature tokens. They gain haste. Sacrifice them at the beginning of the next end step.

-2: You may cast target instant or sorcery card with mana value 3 or less from your graveyard. If that spell would be put into your graveyard, exile it instead.

This spell can't be countered.

+2: Each opponent gets an emblem with "At the beginning of your upkeep, this emblem deals 1 damage to you."

-3: Chandra, Awakened Inferno deals 3 damage to each non-Elemental creature.

-X: Chandra, Awakened Inferno deals X damage to target creature or planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra, Torch of Defiance deals 2 damage to each opponent.

+1: Add {R}{R}.

-3: Chandra, Torch of Defiance deals 4 damage to target creature.

-7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.

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

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

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls.

{4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

Counter target spell.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.

Vigilance

When Djeru, With Eyes Open enters the battlefield, you may search your library for a planeswalker card, reveal it, put it into your hand, then shuffle.

If a source would deal damage to a planeswalker you control, prevent 1 of that damage.

This spell can't be countered.

Counter target noncreature spell.

Artifact, instant, and sorcery spells your opponents cast cost {1} more to cast.

-1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.

{T}, Pay 1 life: Add {U} or {R}.

{1}, {T}, Sacrifice Fiery Islet: Draw a card.

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Add {C}.

{T}: Choose target commander that entered the battlefield this turn. Put a +1/+1 counter on it if it's a creature and a loyalty counter on it if it's a planeswalker.

Draw two cards, then discard two cards. Untap up to three lands.

As long as it's your turn, Gideon Blackblade is a 4/4 Human Soldier creature with indestructible that's still a planeswalker.

Prevent all damage that would be dealt to Gideon Blackblade during your turn.

+1: Up to one other target creature you control gains your choice of vigilance, lifelink, or indestructible until end of turn.

-6: Exile target nonland permanent.

{T}: Add three mana of any one color.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

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

Flying

Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({T}: Add {W} or {U}.)

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays {3}.

{T}: Add {C}.

{1}{W}, {T}: Prevent all combat damage that would be dealt by target attacking creature this turn.

At the beginning of each opponent's end step, if you didn't lose life this turn, you may put a quest counter on Luminarch Ascension. (Damage causes loss of life.)

{1}{W}: Create a 4/4 white Angel creature token with flying. Activate only if Luminarch Ascension has four or more quest counters on it.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right.

Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.

Mystic Monastery enters the battlefield tapped.

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

Counter target noncreature spell.

({W/P} can be paid with either {W} or 2 life.)

Creatures can't attack you or planeswalkers you control unless their controller pays {W/P} for each of those creatures.

When Oath of Teferi enters the battlefield, exile another target permanent you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

You may activate the loyalty abilities of planeswalkers you control twice each turn rather than only once.

You may cast spells from your hand without paying their mana costs.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Flying, defender

As Pramikon, Sky Rampart enters the battlefield, choose left or right.

Each player may attack only the nearest opponent in the chosen direction and planeswalkers controlled by that opponent.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

+2: During target player's next turn, each creature that player controls attacks if able.

-2: Rowan Kenrith deals 3 damage to each tapped creature target player controls.

-8: Target player gets an emblem with "Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy."

Partner with Will Kenrith

Rowan Kenrith can be your commander.

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

As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

+1: Scry 1. Saheeli Rai deals 1 damage to each opponent.

-2: Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. That token gains haste. Exile it at the beginning of the next end step.

-7: Search your library for up to three artifact cards with different names, put them onto the battlefield, then shuffle.

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.

-2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

Whenever a creature attacks you or a planeswalker you control, each Dragon you control deals 1 damage to that creature.

+1: Until end of turn, each planeswalker you control becomes a 4/4 red Dragon creature and gains flying.

-3: Create a 4/4 red Dragon creature token with flying.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

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

Exile all attacking creatures target player controls. That player may search their library for that many basic land cards, put those cards onto the battlefield tapped, then shuffle.

{T}: Add {C}.

{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Players can't untap more than one creature during their untap steps.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Each creature deals damage to itself equal to its power.

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

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

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.

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

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Equipped creature gets +2/+2 and has protection from white and from blue.

Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Equip {2}

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

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)

Exile Teferi's Protection.

+1: Draw a card. At the beginning of the next end step, untap up to two lands.

-3: Put target nonland permanent into its owner's library third from the top.

-8: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."

+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

-1: Untap up to four target permanents.

-10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.

Each opponent can cast spells only any time they could cast a sorcery.

+1: Until your next turn, you may cast sorcery spells as though they had flash.

-3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.

Put all creatures on the bottom of their owners' libraries.

Miracle {W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

-2: Create a 0/3 white Wall creature token with defender.

({U/P} can be paid with either {U} or 2 life.)

Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

At the beginning of your end step, if you didn't activate a loyalty ability of a planeswalker this turn, you lose 2 life.

{4}, {T}: For each planeswalker you control, you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities have been activated this turn.

+1: Draw a card, then discard a card.

+1: Target creature gets +2/+0 and gains first strike and trample until end of turn.

-8: Draw four cards. When you do, The Royal Scions deals damage to any target equal to the number of cards in your hand.

Prevent all noncombat damage that would be dealt to you and other permanents you control.

-2: Exile target creature with power 4 or greater.

Flying

Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Return a creature you control to its owner's hand, then destroy all creatures.

Tolaria West enters the battlefield tapped.

{T}: Add {U}.

Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with mana value 0, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Exile all nonland permanents that aren't legendary.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

+2: Exile target permanent you own. Return it to the battlefield under your control at the beginning of the next end step.

-1: Creatures can't be blocked this turn.

-8: You get an emblem with "Whenever you cast a spell, exile target permanent."

Defender, flying

Shroud (This creature can't be the target of spells or abilities.)

You may have Wall of Stolen Identity enter the battlefield as a copy of any creature on the battlefield, except it's a Wall in addition to its other types and has defender. When you do, tap the copied creature and it doesn't untap during its controller's untap step for as long as you control Wall of Stolen Identity.

+2: Until your next turn, up to two target creatures each have base power and toughness 0/3 and lose all abilities.

-2: Target player draws two cards. Until your next turn, instant, sorcery, and planeswalker spells that player casts cost {2} less to cast.

-8: Target player gets an emblem with "Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy."

Partner with Rowan Kenrith

Will Kenrith can be your commander.