Wrenn's Resolve

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

Firebrand Archer

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

Lightning Bolt deals 3 damage to any target.

Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

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

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

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

Needle Drop deals 1 damage to any target that was dealt damage this turn.
Draw a card.