Have

Emberwilde Captain

When this creature enters, you become the monarch.
Whenever an opponent attacks you while you're the monarch, this creature deals damage to that player equal to the number of cards in their hand.

Rebuff the Wicked

Counter target spell that targets a permanent you control.

Mountain

Forest

Highland Weald

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

Palace Sentinels

When this creature enters, you become the monarch.

Deafening Clarion

Choose one or both —
• Deafening Clarion deals 3 damage to each creature.
• Creatures you control gain lifelink until end of turn.

Command Tower

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

Timber Gorge

Rolling Earthquake

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

War Cadence

{X}{R}: This turn, creatures can't block unless their controller pays {X} for each blocking creature they control.

Plains

Omen of the Hunt

Flash
When this enchantment enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{G}, Sacrifice this enchantment: Scry 2.

Soul's Fire

Target creature you control deals damage equal to its power to any target.

Always Watching

Nontoken creatures you control get +1/+1 and have vigilance.

Kitesail

Equipped creature gets +1/+0 and has flying.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Brash Taunter

Indestructible
Whenever this creature is dealt damage, it deals that much damage to target opponent.
{2}{R}, {T}: This creature fights another target creature.

General's Regalia

{3}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature you control instead.

Chariot of Victory

Equipped creature has first strike, trample, and haste.
Equip {1}

Dawnglade Regent

When this creature enters, you become the monarch.
As long as you're the monarch, permanents you control have hexproof.

Soltari Priest

Protection from red
Shadow (This creature can block or be blocked by only creatures with shadow.)

Arctic Treeline

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

Caltrops

Whenever a creature attacks, this artifact deals 1 damage to it.

Court of Bounty

When this enchantment enters, you become the monarch.
At the beginning of your upkeep, you may put a land card from your hand onto the battlefield. If you're the monarch, instead you may put a creature or land card from your hand onto the battlefield.

Untamed Wilds

Search your library for a basic land card, put that card onto the battlefield, then shuffle.

Thornglint Bridge

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

Jungle Shrine

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

Boros Guildgate

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

Arctic Flats

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

Holy Mantle

Enchant creature
Enchanted creature gets +2/+2 and has protection from creatures.

Whispersilk Cloak

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}

Mirrorwood Treefolk

{2}{R}{W}: The next time damage would be dealt to this creature this turn, that damage is dealt to any target instead.

Fleetfeather Sandals

Equipped creature has flying and haste.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Staunch Throneguard

Vigilance
When this creature enters, you become the monarch.

Chandra's Ignition

Target creature you control deals damage equal to its power to each other creature and each opponent.

Gideon's Sacrifice

Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen permanent instead (if it's still on the battlefield).

Entourage of Trest

When this creature enters, you become the monarch.
This creature can block an additional creature each combat as long as you're the monarch.

Soul's Might

Put X +1/+1 counters on target creature, where X is that creature's power.

Entangler

Enchant creature
Enchanted creature can block any number of creatures.

Crimson Fleet Commodore

Trample
When this creature enters, you become the monarch.

Anger of the Gods

Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

Highland Forest

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

Underworld Fires

Underworld Fires deals 1 damage to each creature and each planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.

Burning Anger

Enchant creature
Enchanted creature has "{T}: This creature deals damage equal to its power to any target."

Evolving Wilds

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

Rustvale Bridge

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

Lightning Greaves

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}

Star of Extinction

Destroy target land. Star of Extinction deals 20 damage to each creature and each planeswalker.

Pariah's Shield

All damage that would be dealt to you is dealt to equipped creature instead.
Equip {3}

Cultivate

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Mogg Maniac

Whenever this creature is dealt damage, it deals that much damage to target opponent or planeswalker.

Pariah

Enchant creature
All damage that would be dealt to you is dealt to enchanted creature instead.

Hans Eriksson

Whenever Hans Eriksson attacks, reveal the top card of your library. If it's a creature card, put it onto the battlefield tapped and attacking defending player or a planeswalker they control. Otherwise, put that card into your hand. When you put a creature card onto the battlefield this way, it fights Hans Eriksson.

Stone Quarry

Court of Ire

When this enchantment enters, you become the monarch.
At the beginning of your upkeep, this enchantment deals 2 damage to any target. If you're the monarch, it deals 7 damage instead.

Fists of Flame

Draw a card. Until end of turn, target creature gains trample and gets +1/+0 for each card you've drawn this turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Outmaneuver

X target blocked creatures assign their combat damage this turn as though they weren't blocked.

Slagwoods Bridge

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

Spitemare

Whenever this creature is dealt damage, it deals that much damage to any target.

Thunderherd Migration

As an additional cost to cast this spell, reveal a Dinosaur card from your hand or pay {1}.
Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Hour of Devastation

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Shivan Oasis

Chain Reaction

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Silverclad Ferocidons

Enrage — Whenever this creature is dealt damage, each opponent sacrifices a permanent of their choice.

Sulfurous Blast

Sulfurous Blast deals 2 damage to each creature and each player. If you cast this spell during your main phase, Sulfurous Blast deals 3 damage to each creature and each player instead.

Mirror Strike

All combat damage that would be dealt to you this turn by target unblocked creature is dealt to its controller instead.

Lorehold Campus

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

Reckless Endeavor

Roll two d12 and choose one result. Reckless Endeavor deals damage equal to that result to each creature. Then create a number of Treasure tokens equal to the other result.

Apex Altisaur

When this creature enters, it fights up to one target creature you don't control.
Enrage — Whenever this creature is dealt damage, it fights up to one target creature you don't control.

Blasphemous Act

This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

Rite of Passage

Whenever a creature you control is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

Sweltering Suns

Sweltering Suns deals 3 damage to each creature.
Cycling {3} ({3}, Discard this card: Draw a card.)

Saffi Eriksdotter

Sacrifice Saffi Eriksdotter: When target creature is put into your graveyard this turn, return that card to the battlefield.

Inner Struggle

Target creature deals damage to itself equal to its power.

Selesnya Guildgate

Jared Carthalion, True Heir

When Jared Carthalion enters, target opponent becomes the monarch. You can't become the monarch this turn.
If damage would be dealt to Jared Carthalion while you're the monarch, prevent that damage and put that many +1/+1 counters on it.

Lure

Enchant creature
All creatures able to block enchanted creature do so.

Boros Reckoner

Whenever this creature is dealt damage, it deals that much damage to any target.
{R/W}: This creature gains first strike until end of turn.

Ranging Raptors

Enrage — Whenever this creature is dealt damage, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Rile

Rile deals 1 damage to target creature you control. That creature gains trample until end of turn.
Draw a card.

Lightmine Field

Whenever one or more creatures attack, this enchantment deals damage to each of those creatures equal to the number of attacking creatures.

Guilty Conscience

Enchant creature
Whenever enchanted creature deals damage, this Aura deals that much damage to that creature.

Sword of Vengeance

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste.
Equip {3}

Starstorm

Starstorm deals X damage to each creature.
Cycling {3} ({3}, Discard this card: Draw a card.)

Crown-Hunter Hireling

When this creature enters, you become the monarch.
This creature can't attack unless defending player is the monarch.

Elfhame Palace

Haunted Cloak

Equipped creature has vigilance, trample, and haste.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Tamanoa

Whenever a noncreature source you control deals damage, you gain that much life.

Tranquil Expanse

Lhurgoyf

Lhurgoyf's power is equal to the number of creature cards in all graveyards and its toughness is equal to that number plus 1.

Gruul Guildgate

Alpine Meadow

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

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Behemoth Sledge

Equipped creature gets +2/+2 and has trample and lifelink.
Equip {3}

Ryusei, the Falling Star

Flying
When Ryusei dies, it deals 5 damage to each creature without flying.

Throne of the High City

{T}: Add {C}.
{4}, {T}, Sacrifice this land: You become the monarch.