Goblin War Strike

Goblin War Strike deals damage to target player or planeswalker equal to the number of Goblins you control.

Banners Raised

Creatures you control get +1/+0 until end of turn.

Dangerous Wager

Dynacharge

Target creature you control gets +2/+0 until end of turn.
Overload {2}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Mountain

Goblin Lookout

{T}, Sacrifice a Goblin: Goblin creatures get +2/+0 until end of turn.

Krenko's Command

Create two 1/1 red Goblin creature tokens.

Mob Justice

Mob Justice deals damage to target player or planeswalker equal to the number of creatures you control.

Dragon Fodder

Skirk Prospector

Goblin Arsonist

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

Goblin Grenade

As an additional cost to cast this spell, sacrifice a Goblin.
Goblin Grenade deals 5 damage to any target.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.