Acidic Soil deals damage to each player equal to the number of lands they control.

{R}, Exile the top ten cards of your library: Arc-Slogger deals 2 damage to any target.

Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.

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

Breath of Malfegor deals 5 damage to each opponent.

Trample, haste When Clackbridge Troll enters the battlefield, target opponent creates three 0/1 white Goat creature tokens. At the beginning of combat on your turn, any opponent may sacrifice a creature. If a player does, tap Clackbridge Troll, you gain 3 life, and you draw a card.

For each player, choose friend or foe. Each friend discards all cards from their hand, then draws that many cards plus one. Khorvath's Fury deals damage to each foe equal to the number of cards in their hand.

Whenever a creature is dealt damage, Repercussion deals that much damage to that creature's controller.

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

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

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

{T}: Add one mana of any color that a land an opponent controls could produce.

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

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When Solemn Simulacrum dies, you may draw a card.

{T}: Add {C}. {T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

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

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the copy. The new targets can't be you or a permanent you control.

Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target.

Whenever an opponent draws a card, if you control a red permanent, you may have Kederekt Parasite deal 1 damage to that player.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Menace Players can't gain life. Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller.

Haste Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.) Whenever an opponent casts a noncreature spell, if Scab-Clan Berserker is renowned, Scab-Clan Berserker deals 2 damage to that player.

Whenever a player casts a spell, Spellshock deals 2 damage to that player.

Landfall — Whenever a land enters the battlefield under your control, Tunneling Geopede deals 1 damage to each opponent.

Flash If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

You draw two cards and you lose 2 life.

Target player draws two cards and loses 2 life.

Target player draws two cards and loses 2 life.

Menace At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, Sin Prodder deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

Akoum Refuge enters the battlefield tapped. When Akoum Refuge enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

{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 {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Bloodfell Caves enters the battlefield tapped. When Bloodfell Caves enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

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

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

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}.

({T}: Add {R}.)

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.

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

({T}: Add {B} or {R}.) Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Spinerock Knoll enters the battlefield tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

({T}: Add {B}.)

At the beginning of each player's upkeep, Ancient Runes deals damage to that player equal to the number of artifacts they control.

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

Trample At the beginning of each player's end step, Crimson Honor Guard deals 4 damage to that player unless they control a commander.

Players have no maximum hand size. At the beginning of each opponent's upkeep, Price of Knowledge deals damage to that player equal to the number of cards in that player's hand.

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player. If a player would gain life, that player gains no life instead.

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

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

Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.

Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card's mana value to any target. Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Lightning Bolt deals 3 damage to any target.

Target opponent may have Risk Factor deal 4 damage to them. If that player doesn't, you draw three cards. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)