Firebolt

Firebolt deals 2 damage to any target.
Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Fiery Emancipation

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

Lightning Strike deals 3 damage to any target.

Lightning Bolt deals 3 damage to any target.

Slaying Fire deals 3 damage to any target.
Adamant — If at least three red mana was spent to cast this spell, it deals 4 damage instead.

Searing Spear deals 3 damage to any target.

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

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.