Reckless Impulse

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Rite of Flame

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.

Seismic Spike

Mana Geyser

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

Seething Song

Infernal Plunge

As an additional cost to cast this spell, sacrifice a creature.
Add {R}{R}{R}.

Pyretic Ritual

Manamorphose

Add two mana in any combination of colors.
Draw a card.

Inner Fire

Stone Rain

Guttersnipe

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

Wild Cantor

({R/G} can be paid with either {R} or {G}.)
Sacrifice this creature: Add one mana of any color.

Desperate Ritual

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.)

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Pillage

Destroy target artifact or land. It can't be regenerated.

Molten Rain

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

Goblin Electromancer

Instant and sorcery spells you cast cost {1} less to cast.

Kessig Flamebreather

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