Goblin Chirurgeon

Sacrifice a Goblin: Regenerate target creature.

Fireblade Charger

As long as Fireblade Charger is equipped, it has haste.
When Fireblade Charger dies, it deals damage equal to its power to any target.

Haste
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Whenever this creature attacks, you may pay {R}. If you do, target creature can't block this turn.

{R}: Goblin Balloon Brigade gains flying until end of turn.

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

Haste (This creature can attack and {T} as soon as it comes under your control.)
{T}, Sacrifice this creature: It deals 1 damage to any target.

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

{R}, Sacrifice Boggart Forager: Target player shuffles their library.

{T}: Goblin Fireslinger deals 1 damage to target player or planeswalker.

You may cast Squee, the Immortal from your graveyard or from exile.