Mountain

Ripscale Predator

Menace (This creature can't be blocked except by two or more creatures.)

Torch Breath

This spell costs {2} less to cast if it targets a blue permanent.
This spell can't be countered.
Torch Breath deals X damage to target creature or planeswalker.

Kindled Fury

Target creature gets +1/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Cinderheart Giant

Trample
When this creature dies, it deals 7 damage to a creature an opponent controls chosen at random.

Brute Force

Target creature gets +3/+3 until end of turn.

Akki War Paint

Enchant artifact or creature
As long as enchanted permanent is a creature, it gets +2/+1.

Goblin Shortcutter

When this creature enters, target creature can't block this turn.

Crash Through

Creatures you control gain trample until end of turn. (Each of those creature can deal excess combat damage to the player or planeswalker it's attacking.)
Draw a card.

Renegade Tactics

Target creature can't block this turn.
Draw a card.

Goblin Trailblazer

Implement of Combustion

{R}, Sacrifice this artifact: It deals 1 damage to target player or planeswalker.
When this artifact is put into a graveyard from the battlefield, draw a card.

Rigging Runner

First strike
Raid — This creature enters with a +1/+1 counter on it if you attacked this turn.

Explosive Entry

Destroy up to one target artifact. Put a +1/+1 counter on up to one target creature.

Claim the Firstborn

Gain control of target creature with mana value 3 or less until end of turn. Untap that creature. It gains haste until end of turn.

Magma Spray

Magma Spray deals 2 damage to target creature. If that creature would die this turn, exile it instead.

Fire Diamond

This artifact enters tapped.
{T}: Add {R}.

Goblin Raider

Tectonic Hazard

Tectonic Hazard deals 1 damage to each opponent and each creature they control.

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Goblin Arsonist

When this creature dies, you may have it deal 1 damage to any target.

Barge In

Target attacking creature gets +2/+2 until end of turn. Each attacking non-Human creature gains trample until end of turn.

Smelt

Wrecking Crew

Reach (This creature can block creatures with flying.)
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Fling

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.