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}

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

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

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

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

When this creature enters, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

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 red instant or sorcery spell you control would deal damage, it deals double that damage instead.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Flame Rift deals 4 damage to each player.

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

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

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

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Lightning Strike deals 3 damage to any target.

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

If a red or artifact source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

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

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

Flying Fire Breath — When this creature enters, it deals 4 damage to each opponent.

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

At the beginning of each player's upkeep, this enchantment deals 1 damage to them. Whenever a player casts a spell, if no mana was spent to cast that spell, this enchantment deals 5 damage to that player. {R}: Your opponents can't gain life this turn.

Sizzle deals 3 damage to each opponent.

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

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.

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.

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

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

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.)

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.)

As an additional cost to cast this spell, discard a card. Draw two cards.

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

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

Flying When this creature enters, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.

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

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) At the beginning of each of your postcombat main phases, add {R} for each 1 life your opponents have lost this turn.

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

Add {R}{R}{R}{R}{R}.

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.

This land enters tapped. {T}: Add {R}. {4}{R}, {T}, Sacrifice this land: Destroy target land.

({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.

{T}: Add {C}. {2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

This land enters tapped. When this land enters, target creature can't block this turn. {T}: Add {R}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

This land enters tapped. {T}: Add {R}. {1}{R}, {T}, Sacrifice this land: Draw a card.

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

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

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

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

This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn. Trample Whenever a source you control deals noncombat damage to an opponent, this creature deals that much damage to target creature or planeswalker that player controls.

Flying When this creature enters, it deals 5 damage to target opponent unless that player sacrifices a creature of their choice.

Choose three. You may choose the same mode more than once. • Fiery Confluence deals 1 damage to each creature. • Fiery Confluence deals 2 damage to each opponent. • Destroy target artifact.

Lightning Bolt deals 3 damage to any target.

Destroy all nonbasic lands.

Whenever an instant or sorcery spell you control deals damage to an opponent, this creature deals that much damage to target creature that player controls.

Shock deals 2 damage to any target.

At the beginning of your upkeep and whenever you cast a red spell, put a charge counter on this artifact. {3}, {T}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to any target.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Smite the Deathless deals 3 damage to target creature. That creature loses indestructible until end of turn. If that creature would die this turn, exile it instead.

This spell can't be countered. Volcanic Fallout deals 2 damage to each creature and each player.