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

Haste (This creature can attack and {T} as soon as it comes under your control.) When Goblin Ringleader enters the battlefield, 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.

Protection from blue (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue.) Whenever Goblin Piledriver attacks, it gets +2/+0 until end of turn for each other attacking Goblin.

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

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 Mogg War Marshal enters the battlefield or dies, create a 1/1 red Goblin creature token.

Other Goblins you control get +1/+1. Whenever Rundvelt Hordemaster or another Goblin you control dies, exile the top card of your library. If it's a Goblin creature card, you may cast that card until the end of your next turn.

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.) When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.

{1}, Sacrifice Goblin Cratermaker: Choose one — • Goblin Cratermaker deals 2 damage to target creature. • Destroy target colorless nonland permanent.

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

Sacrifice Mogg Fanatic: It deals 1 damage to any target.

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

Echo {3}{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 Stingscourger enters the battlefield, return target creature an opponent controls to its owner's hand.

({T}: Add {R}.)

As Secluded Courtyard enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

{1}, {T}: Add {B}{R}.

{T}: Add {C}. {1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

Temple of Malice enters the battlefield tapped. When Temple of Malice enters the battlefield, scry 1. {T}: Add {B} or {R}.

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

Whenever Pashalik Mons or another Goblin you control dies, Pashalik Mons deals 1 damage to any target. {3}{R}, Sacrifice a Goblin: Create two 1/1 red Goblin creature tokens.

Prowl {2}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.) When Earwig Squad enters the battlefield, if its prowl cost was paid, search target opponent's library for three cards and exile them. Then that player shuffles.

Flash Tragic Backstory — Cast this spell only if a creature died this turn.