Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Burn Bright

Creatures you control get +2/+0 until end of turn.

Thriving Bluff enters tapped. As it enters, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.

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

Whenever Ornery Goblin blocks or becomes blocked by a creature, Ornery Goblin deals 1 damage to that creature.

Outnumber deals damage to target creature equal to the number of creatures you control.

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

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

Create four 1/1 red Goblin creature tokens.

When Goblin Commando enters, it deals 2 damage to target creature.

When Goblin Instigator enters, create a 1/1 red Goblin creature token.

Draw four cards, then discard three cards at random.

{1}, Sacrifice an artifact or creature: Makeshift Munitions deals 1 damage to any target.