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

Menace (This creature can't be blocked except by two or more creatures.) If it's neither day nor night, it becomes day as this creature enters. Whenever day becomes night or night becomes day, this creature deals 1 damage to each opponent.

Whenever a creature you control with power 1 or less attacks, this enchantment deals 1 damage to the player or planeswalker that creature is attacking.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

Whenever this creature is dealt damage, it deals that much damage to each player.

First strike (This creature deals combat damage before creatures without first strike.) If a source would deal damage to an opponent, it deals double that damage to that player instead.

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

Flame Rift deals 4 damage to each player.

When this creature enters, it deals 1 damage to each opponent. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, this creature deals 1 damage to that player.

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

Haste Whenever a creature you control attacks, this creature deals 1 damage to the player or planeswalker it's attacking.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

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

Each opponent secretly chooses silence or snitch, then the choices are revealed. If each opponent chose silence, Prisoner's Dilemma deals 4 damage to each of them. If each opponent chose snitch, Prisoner's Dilemma deals 8 damage to each of them. Otherwise, Prisoner's Dilemma deals 12 damage to each opponent who chose silence. Flashback {5}{R}{R}

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.

Whenever a creature you control with power 2 or less attacks, this enchantment deals 1 damage to the player or planeswalker that creature is attacking.

Choose one — • Slagstorm deals 3 damage to each creature. • Slagstorm deals 3 damage to each player.

During your turn, this creature has first strike. Whenever another creature dies, this creature deals 1 damage to target player or planeswalker.

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.

When this creature enters, any opponent may have it deal 4 damage to them. If a player does, sacrifice this creature.

Players can't gain life. At the beginning of your upkeep, this enchantment deals 4 damage to you. At the beginning of your end step, target opponent chosen at random gains control of this enchantment.

Whenever you cast your first instant or sorcery spell each turn, exile an instant or sorcery card at random from your graveyard. Then copy each card exiled with this enchantment. You may cast any number of the copies without paying their mana costs.

When this creature enters, it deals 1 damage to target creature and 1 damage to you.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard. Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, discard your hand, then draw three cards.

Each player draws three cards, then discards three cards at random.

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

Draw a card, then each other player may draw a card. Whenever a card is drawn this way, Explosion of Riches deals 5 damage to target opponent chosen at random from among your opponents.

You may discard a card or sacrifice a land. If you do, draw two cards. Plot {1}{R} (You may pay {1}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Each player shuffles the cards from their hand into their library, then draws that many cards. Metalcraft — If you control three or more artifacts, Molten Psyche deals damage to each opponent equal to the number of cards that player has drawn this turn.

Each player discards their hand, then draws seven cards. Miracle {1}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

{T}: Each player draws a card.

This land enters tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

{T}: Add {C}. {2}, {T}: Each player draws a card.

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters 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.

This land enters tapped. Whenever a Mountain you control enters, if you control at least five other Mountains, you may have this land deal 3 damage to any target. {T}: Add {R}.

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.

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

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

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

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

Flying When this creature dies, return it to the battlefield face down under your control. Morph {4}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, it deals 2 damage to each player.

At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Flying Whenever a source you control deals damage to you, put that many +1/+1 counters on Auntie Blyte. {1}{R}, {T}, Remove X +1/+1 counters from Auntie Blyte: It deals X damage to any target.

Destroy X target artifacts. Builder's Bane deals damage to each player equal to the number of artifacts they controlled that were put into a graveyard this way.

Choose one — • Burn Down the House deals 5 damage to each creature and each planeswalker. • Create three 1/1 red Devil creature tokens with "When this token dies, it deals 1 damage to any target." They gain haste until end of turn.

At the beginning of your upkeep, choose target nonland permanent you control and up to two target nonland permanents you don't control. Destroy one of them at random.

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.

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Bio-plasmic Barrage — When this creature enters, it deals X damage to each player and each other creature.

Farideh's Fireball deals 5 damage to target creature or planeswalker. Roll a d20. 1—9 | Farideh's Fireball deals 2 damage to each player. 10—20 | Farideh's Fireball deals 2 damage to each opponent.

For each player, choose target nonenchantment, nonland permanent that player controls. Those permanents' owners shuffle them into their libraries. Each player who controlled one of those permanents exiles cards from the top of their library until they exile a nonland card, then puts the rest on the bottom of their library in a random order. Each player may cast the nonland card they exiled without paying its mana cost.

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

Create two 1/1 red Devil creature tokens. They have "When this token dies, it deals 1 damage to any target."

Create four 1/1 red Devil creature tokens. They have "When this token dies, it deals 1 damage to any target."