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 Arcane Bombardment. You may cast any number of the copies without paying their mana costs.
{3}{R}{R}
Double Vision
Enchantment
Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy.
{1}{R}
Grapeshot
Sorcery
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.)
{3}{R}
Rockslide Sorcerer
Creature - Human Wizard
Whenever you cast an instant, sorcery, or Wizard spell, Rockslide Sorcerer deals 1 damage to any target.
3 /
3
{1}{R}
Satyr Firedancer
Enchantment Creature - Satyr
Whenever an instant or sorcery spell you control deals damage to an opponent, Satyr Firedancer deals that much damage to target creature that player controls.
1 /
1
{2}{R}
Scattershot
Instant
Scattershot deals 1 damage to target creature.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
{R}
Soul-Scar Mage
Creature - Human Wizard
Prowess
If a source you control would deal noncombat damage to a creature an opponent controls, put that many -1/-1 counters on that creature instead.
1 /
2
{3}{R}
Storm-Kiln Artist
Creature - Dwarf Shaman
Storm-Kiln Artist gets +1/+0 for each artifact you control.
Magecraft -- Whenever you cast or copy an instant or sorcery spell, create a Treasure token.
2 /
2
{R}
Strafe
Sorcery
Strafe deals 3 damage to target nonred creature.
{1}{R}
Thermo-Alchemist
Creature - Human Shaman
Defender
{T}: Thermo-Alchemist deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.
0 /
3
{1}{R}{R}{R}
Torbran, Thane of Red Fell
Legendary Creature - Dwarf Noble
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.
2 /
4
{4}{R}{R}
Volcanic Awakening
Sorcery
Destroy target land.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
{2}{R}
Weaver of Lightning
Creature - Human Shaman
Reach
Whenever you cast an instant or sorcery spell, Weaver of Lightning deals 1 damage to target creature an opponent controls.
1 /
4
{3}{R}
Wildfire Devils
Creature - Devil
When Wildfire Devils enters the battlefield 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.
4 /
2
{3}{R}
Wildfire Eternal
Creature - Zombie Jackal Cleric
Afflict 4 (Whenever this creature becomes blocked, defending player loses 4 life.)
Whenever Wildfire Eternal attacks and isn't blocked, you may cast an instant or sorcery spell from your hand without paying its mana cost.
1 /
4
{1}{R}
Young Pyromancer
Creature - Human Shaman
Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.