Orcish Lumberjack

{T}, Sacrifice a Forest: Add three mana in any combination of {R} and/or {G}.

Ardent Electromancer

When Ardent Electromancer enters, add {R} for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Mardu Warshrieker

Raid — When Mardu Warshrieker enters, if you attacked this turn, add {R}{W}{B}.

Bayou Groff

As an additional cost to cast this spell, sacrifice a creature or pay {3}.

Coal Stoker

When Coal Stoker enters, if you cast it from your hand, add {R}{R}{R}.

Cathodion

Burning-Tree Emissary

When Burning-Tree Emissary enters, add {R}{G}.

Famished Foragers

When Famished Foragers enters, if an opponent lost life this turn, add {R}{R}{R}.
{2}{R}, Discard a card: Draw a card.