Mountain

Hinterland Scourge

This creature must be blocked if able.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Hinterland Hermit

At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Hinterland Hermit // Hinterland Scourge

Rolling Thunder

Rolling Thunder deals X damage divided as you choose among any number of targets.

Spitting Earth

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Orcish Veteran

This creature can't block white creatures with power 2 or greater.
{R}: This creature gains first strike until end of turn.

Book Burning

Any player may have Book Burning deal 6 damage to them. If no one does, target player mills six cards.

Stingscourger

Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, return target creature an opponent controls to its owner's hand.

Chandra's Outrage

Chandra's Outrage deals 4 damage to target creature and 2 damage to that creature's controller.

Frenzied Raptor

Lava Serpent

Haste
Cycling {2} ({2}, Discard this card: Draw a card.)

Into the Maw of Hell

Destroy target land. Into the Maw of Hell deals 13 damage to target creature.

Nearheath Stalker

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)