Choose one — • Cast into the Fire deals 1 damage to each of up to two target creatures. • Exile target artifact.

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.)

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

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

Shock deals 2 damage to any target.

Whenever one or more +1/+1 counters are put on a permanent you control, you may pay {1}. If you do, create a 1/1 colorless Servo artifact creature token. {3}, {T}: Choose a counter on target permanent or player. Give that permanent or player another counter of that kind.

Whenever a land enters, this artifact deals 2 damage to that land's controller.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.

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

{T}: Add {R}{R}. At the beginning of each player's upkeep, that player may put a doom counter on this artifact or remove a doom counter from it. Then if it has three or more doom counters on it, sacrifice this artifact. When you do, it deals 6 damage to each creature.

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

As this land enters, you may reveal an Elemental card from your hand. If you don't, this land enters tapped. {T}: Add {R}. {R}, {T}: Target creature gains haste until end of turn.

{T}: Add {C}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Mines of Moria enters tapped unless you control a legendary creature. {T}: Add {R}. {3}{R}, {T}, Exile three cards from your graveyard: Create two Treasure tokens.

({T}: Add {R}.)

{T}: Add {C}. {T}, Pay 1 life: Add {R}. {2}{R}{R}, {T}, Sacrifice a Desert: This land deals 2 damage to each opponent.

Whenever you discard a card, you may exile that card from your graveyard. If you do, you may play that card this turn.

Whenever you sacrifice an artifact, put a +1/+1 counter on this creature and add {R}.

Whenever a player casts a spell with mana value 3 or less, this creature deals 2 damage to that player.

Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent.

Menace At the beginning of each player's upkeep, this creature deals 2 damage to that player unless they control two or more basic lands.

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

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step.

Haste {T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

Nonbasic lands are Mountains.

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters, create that many tokens that are copies of it.) When this creature enters, destroy up to one target artifact.

Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever another creature you control enters, Purphoros deals 2 damage to each opponent. {2}{R}: Creatures you control get +1/+0 until end of turn.

Haste At the beginning of your end step, return this creature to its owner's hand. Channel — {1}{R}, Discard this card: Draw a card.

First strike Raid — At end of combat on your turn, if you attacked this turn, create a Junk token for each opponent you attacked. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.") Whenever you sacrifice a Junk, add {R}.

Whenever a player casts a spell, if it's not their turn, this creature deals 4 damage to them.

Exile this card from your hand: Add {R}.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever this creature deals damage to a player, that player can't gain life for the rest of the game.

Advanced Species — Whenever a red source you control deals damage to one or more permanents and/or players, put a +1/+1 counter on The Red Terror.

Whenever a land enters under an opponent's control, if that player had another land enter the battlefield under their control this turn, this creature deals 3 damage to that player.

{1}{R}, {T}: Destroy target artifact. This creature deals damage to that artifact's controller equal to the artifact's mana value.

When this creature enters, sacrifice it unless an opponent was dealt damage this turn. Whenever an opponent is dealt damage, put that many +1/+1 counters on this creature.

Whenever you put one or more counters on a permanent or player, this enchantment deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

Nonbasic lands are Mountains.

At the beginning of each player's end step, this enchantment deals X damage to that player, where X is the number of untapped lands they control.

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

Sacrifice a creature: This enchantment deals 1 damage to any target.

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

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Whenever a player casts a spell with mana value 3 or less, this enchantment deals 2 damage to that player.

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

At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells.

Your opponents can't search libraries. If an opponent would begin an extra turn, that player skips that turn instead.

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

Whenever a land enters, tap all lands its controller controls.

Whenever an opponent taps a land for mana, tap all lands that player controls. If a creature an opponent controls attacks, all creatures that opponent controls attack if able.

Whenever a creature you control enters, it deals damage equal to its power to any target.

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

Exquisite Firecraft deals 4 damage to any target. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, this spell can't be countered.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Damage can't be prevented this turn. Fear, Fire, Foes! deals X damage to target creature and 1 damage to each other creature with the same controller.

Destroy all nonbasic lands. For each land destroyed this way, its controller may search their library for a basic land card and put it onto the battlefield. Then each player who searched their library this way shuffles.

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Raid — If you attacked this turn, when you next cast an instant or sorcery spell this turn, copy that spell an additional time. You may choose new targets for the copy.