Goblin Instigator

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

Goblin Grenade

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

Create two 1/1 red Goblin creature tokens.

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

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

Other Goblins get +1/+1 and have mountainwalk.

Create a number of 1/1 red Goblin creature tokens equal to two plus the number of cards named Goblin Gathering in your graveyard.

Choose one —
• Charge Them — Creatures you control get +2/+0 until end of turn.
• Befriend Them — Create two 1/1 red Goblin creature tokens.

The Autonomous Furnace enters the battlefield tapped.
{T}: Add {R}.
{1}{R}, {T}, Sacrifice The Autonomous Furnace: Draw a card.

Haste (This creature can attack and {T} as soon as it comes under your control.)
Other Goblin creatures you control get +1/+1 and have haste.

Other Goblins you control get +1/+1.
Sacrifice a Goblin: Destroy target artifact.