Until end of turn, whenever a player casts an instant or sorcery spell, that player copies it and may choose new targets for the copy.

Banefire deals X damage to any target. If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Blaze deals X damage to any target.

Surge {X}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Fall of the Titans deals X damage to each of up to two targets.

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

Lava Burst deals X damage to any target. If Lava Burst would deal damage to a creature, that damage can't be prevented or dealt instead to another permanent or player.

If a red instant or sorcery spell you control or a red planeswalker you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.

Choose any target. Scry 3, then reveal the top card of your library. Riddle of Lightning deals damage equal to that card's mana value to that permanent or player.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies. Copy target instant or sorcery spell. You may choose new targets for the copy.

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

Dwarven Hold enters the battlefield tapped. You may choose not to untap Dwarven Hold during your untap step. At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Dwarven Hold: Add {R} for each storage counter removed this way.

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Mercadian Bazaar enters the battlefield tapped. {T}: Put a storage counter on Mercadian Bazaar. {T}, Remove any number of storage counters from Mercadian Bazaar: Add {R} for each storage counter removed this way.

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.)

Add {R} for each card in your hand.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.

{2}, {T}: Put a charge counter on Red Mana Battery. {T}, Remove any number of charge counters from Red Mana Battery: Add {R}, then add an additional {R} for each charge counter removed this way.

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

Madness {X}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) Avacyn's Judgment deals 2 damage divided as you choose among any number of targets. If this spell's madness cost was paid, it deals X damage divided as you choose among those permanents and/or players instead.

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

Bonfire of the Damned deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls. Miracle {X}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{3}, {T}: Reveal cards from the top of your library until you reveal a land card. Goblin Charbelcher deals damage equal to the number of nonland cards revealed this way to any target. If the revealed land card was a Mountain, Goblin Charbelcher deals double that damage instead. Put the revealed cards on the bottom of your library in any order.

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.)

Impact Resonance deals X damage divided as you choose among any number of target creatures, where X is the greatest amount of damage dealt by a source to a permanent or player this turn.

Lightning Bolt deals 3 damage to any target.

Magmaquake deals X damage to each creature without flying and each 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.")