Lightning Strike

Lightning Strike deals 3 damage to any target.

Mountain

Dwarven Scorcher

Sacrifice Dwarven Scorcher: Dwarven Scorcher deals 1 damage to target creature unless that creature's controller has Dwarven Scorcher deal 2 damage to them.

Dwarven Bloodboiler

Tap an untapped Dwarf you control: Target creature gets +2/+0 until end of turn.

Dwarven Driller

{T}: Destroy target land unless its controller has Dwarven Driller deal 2 damage to them.

Browbeat

Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.

Mine Layer

{1}{R}, {T}: Put a mine counter on target land.
Whenever a land with a mine counter on it becomes tapped, destroy it.
When Mine Layer leaves the battlefield, remove all mine counters from all lands.

Pardic Miner

Sacrifice Pardic Miner: Target player can't play lands this turn.

Dwarven Recruiter

When Dwarven Recruiter enters, search your library for any number of Dwarf cards, reveal them, then shuffle and put those cards on top in any order.

Searing Spear

Searing Spear deals 3 damage to any target.

Purphoros, God of the Forge

Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Whenever another creature you control enters, Purphoros deals 2 damage to each opponent.
{2}{R}: Creatures you control get +1/+0 until end of turn.