Coal Stoker

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

Viridian Joiner

{T}: Add an amount of {G} equal to Viridian Joiner's power.

Burning-Tree Emissary

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

Orcish Lumberjack

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

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.)

Cathodion

Bayou Groff

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

Mardu Warshrieker

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