Add {R} for each creature you control.

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.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

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

Sacrifice a creature: Add {C}{C}.

{T}, Sacrifice a creature: This artifact deals 1 damage to any target. Whenever a creature enters, you may untap this artifact.

{1}, {T}, Sacrifice this artifact: Add one mana of any color. When this artifact is put into a graveyard from the battlefield, draw a card.

This artifact enters tapped. As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

{T}, Sacrifice a creature: Put a charge counter on this artifact. {1}, Sacrifice this artifact: Draw a card for each charge counter on this artifact.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

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

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

{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.

Haste As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

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.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) Whenever this creature or another creature enters from your graveyard, that creature deals damage equal to its power to any target.

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.

Whenever you sacrifice a permanent, this creature deals 1 damage to any target.

{2}{R}: Target creature attacks this turn if able.

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

Whenever another creature dies, you may have this creature deal 1 damage to target player or planeswalker.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) {1}, Sacrifice another creature: Put a +1/+1 counter on this creature.

Whenever this creature attacks or blocks, each player draws a card.

Trample, haste When this creature attacks, up to one target creature defending player controls blocks it this combat if able. At the beginning of the end step, sacrifice this creature.

{1}{R}, {T}, Sacrifice this creature: Each player discards their hand, then draws seven cards.

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

When this creature dies, it deals 3 damage to any target.

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.

When this creature dies, each player draws a card.

When this creature enters, creatures you control get +1/+0 until end of turn. Unearth {2}{R} ({2}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

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, this creature deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

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

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.

{R}, Sacrifice this creature: Destroy target artifact.

Haste Morbid — {T}: This creature deals 1 damage to any target. Activate only if a creature died this turn.

When this creature enters and at the beginning of your upkeep, choose a player at random. That player exiles an instant or sorcery card from their graveyard. Copy that card. You may cast the copy without paying its mana cost.

Alliance — Whenever another creature you control enters, this creature deals 1 damage to each opponent.

If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead. −2: Jaya deals 2 damage to any target.

+1: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land. −2: Add {R} for each Mountain you control. −5: You get an emblem with "Mountains you control have '{T}: This land deals 1 damage to any target.'"

Your opponents can't gain life. −2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target."

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.

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

As this enchantment enters, choose Khans or Dragons. • Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card. • Dragons — Whenever a creature you control leaves the battlefield, this enchantment deals 1 damage to any target.

Whenever a source you control deals damage to an opponent, you may put a quest counter on this enchantment. Remove four quest counters from this enchantment and sacrifice it: If any source you control would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead.

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

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

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Draw a card.

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

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.)

Make Mischief deals 1 damage to any target. Create a 1/1 red Devil creature token. It has "When this token dies, it deals 1 damage to any target."

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