Boggart Shenanigans

Whenever another Goblin you control is put into a graveyard from the battlefield, you may have this enchantment deal 1 damage to target player or planeswalker.

Mogg War Marshal

Echo {1}{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 or dies, create a 1/1 red Goblin creature token.

Mudbutton Torchrunner

When this creature dies, it deals 3 damage to any target.

Goblin Cohort

This creature can't attack unless you've cast a creature spell this turn.

Tar Pitcher

{T}, Sacrifice a Goblin: This creature deals 2 damage to any target.

Raging Goblin

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

Siege-Gang Commander

When this creature enters, create three 1/1 red Goblin creature tokens.
{1}{R}, Sacrifice a Goblin: This creature deals 2 damage to any target.

Akki Coalflinger

First strike
{R}, {T}: Attacking creatures gain first strike until end of turn.

Mountain

Mogg Fanatic

Sacrifice this creature: It deals 1 damage to any target.

Flamewave Invoker

{7}{R}: This creature deals 5 damage to target player or planeswalker.

Goblin Warchief

Goblin spells you cast cost {1} less to cast.
Goblins you control have haste.

Goblin Sledder

Sacrifice a Goblin: Target creature gets +1/+1 until end of turn.