Goblin Ringleader

Haste (This creature can attack and {T} as soon as it comes under your control.)
When Goblin Ringleader enters, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.

Unearth

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)

Grenzo's Cutthroat

First strike
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Outnumber

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

Putrid Goblin

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Munitions Expert

Flash
When Munitions Expert enters, you may have it deal damage to target creature or planeswalker equal to the number of Goblins you control.

Trumpet Blast

Attacking creatures get +2/+0 until end of turn.

Sign in Blood

Target player draws two cards and loses 2 life.

Goblin Matron

When Goblin Matron enters, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle.

Goblin Oriflamme

Attacking creatures you control get +1/+0.

Sling-Gang Lieutenant

When Sling-Gang Lieutenant enters, create two 1/1 red Goblin creature tokens.
Sacrifice a Goblin: Target player loses 1 life and you gain 1 life.

Goblin Instigator

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

Rakdos Guildgate

This land enters tapped.
{T}: Add {B} or {R}.

Goblin Warchief

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

Thrill of Possibility

As an additional cost to cast this spell, discard a card.
Draw two cards.

Goblin Tunneler

{T}: Target creature with power 2 or less can't be blocked this turn.

Mountain

Swamp

Skirk Prospector

Volley Veteran

When this creature enters, it deals damage to target creature an opponent controls equal to the number of Goblins you control.