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

Whenever another red creature enters the battlefield under your control, Foundry Street Denizen gets +1/+0 until end of turn.

Kicker {R} (You may pay an additional {R} as you cast this spell.) When Goblin Bushwhacker enters the battlefield, if it was kicked, creatures you control get +1/+0 and gain haste until end of turn.

Jackal Familiar can't attack or block alone.

Vanishing 2 (This creature enters the battlefield with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When Keldon Marauders enters or leaves the battlefield, it deals 1 damage to target player or planeswalker.

Mogg Conscripts can't attack unless you've cast a creature spell this turn.

Haste Mudbrawler Cohort gets +1/+1 as long as you control another red creature.

Bloodrush — {R}, Discard Rubblebelt Maaka: Target attacking creature gets +3/+3 until end of turn.

You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target.

({T}: Add {R}.)

Choose one — • Cast into the Fire deals 1 damage to each of up to two target creatures. • Exile target artifact.

Flame Slash deals 4 damage to target creature.

Damage can't be prevented this turn. Flashback {R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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