{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.

Fire Diamond enters the battlefield tapped. {T}: Add {R}.

{T}: Add {R}. {4}{R}: Foriysian Totem becomes a 4/4 red Giant artifact creature with trample until end of turn. As long as Foriysian Totem is a creature, it can block an additional creature each combat.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

{T}: Add one mana of any color. {2}, {T}, Sacrifice Letter of Acceptance: Draw a card.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Planar Atlas enters the battlefield tapped. When Planar Atlas enters the battlefield, you may look at the top four cards of your library. If you do, reveal up to one land card from among them, then put that card on top of your library and the rest on the bottom in a random order. {T}: Add {C}.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

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

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

{1}, {T}: Blisterspit Gremlin deals 1 damage to each opponent. Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

When Careless Celebrant dies, it deals 2 damage to target creature or planeswalker an opponent controls.

{T}: Chandra's Magmutt deals 1 damage to target player or planeswalker.

{T}: Cinder Pyromancer deals 1 damage to target player or planeswalker. Whenever you cast a red spell, you may untap Cinder Pyromancer.

Whenever Conspiracy Theorist attacks, you may pay {1} and discard a card. If you do, draw a card. Whenever you discard one or more nonland cards, you may exile one of them from your graveyard. If you do, you may cast it this turn.

{R}, {T}, Discard a card: Draw a card. {2}{R}, {T}, Sacrifice Dismissive Pyromancer: It deals 4 damage to target creature.

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.

Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.

{T}: Fireslinger deals 1 damage to any target and 1 damage to you.

{T}: Goblin Fireslinger deals 1 damage to target player or planeswalker.

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.

{R}, {T}, Discard a card: Kris Mage deals 1 damage to any target.

Defender {T}: Lobber Crew deals 1 damage to each opponent. Whenever you cast a multicolored spell, untap Lobber Crew.

{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

Sacrifice Mogg Fanatic: It deals 1 damage to any target.

{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

{T}: Prodigal Pyromancer deals 1 damage to any target.

{2}{R}: Scalding Devil deals 1 damage to target player or planeswalker.

Whenever Scorch Spitter attacks, it deals 1 damage to the player or planeswalker it's attacking.

Defender {T}: Spear Spewer deals 1 damage to each player.

Defender {T}: Thermo-Alchemist deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.

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.

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

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

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

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

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

At the beginning of each player's end step, if that player didn't cast a spell this turn, Impatience deals 2 damage to that player.

Whenever a player taps a land for mana, Manabarbs 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.

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

If a red spell would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

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.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Lightning Bolt deals 3 damage to any target.

Shock deals 2 damage to any target.

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

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

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.

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

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

Flame Rift deals 4 damage to each player.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Pyroclasm deals 2 damage to each creature.