Mountain

Dragon Fodder

Create two 1/1 red Goblin creature tokens.

Trumpet Blast

Attacking creatures get +2/+0 until end of turn.

Wind-Scarred Crag

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {W}.

Impact Tremors

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Massive Raid

Massive Raid deals damage to any target equal to the number of creatures you control.

Twin Bolt

Twin Bolt deals 2 damage divided as you choose among one or two targets.

Collateral Damage

As an additional cost to cast this spell, sacrifice a creature.
Collateral Damage deals 3 damage to any target.

Molten Birth

Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.

Triplicate Spirits

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create three 1/1 white Spirit creature tokens with flying.

Boros Guildgate

This land enters tapped.
{T}: Add {R} or {W}.

Goblinslide

Whenever you cast a noncreature spell, you may pay {1}. If you do, create a 1/1 red Goblin creature token with haste.