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

Target creature gets +4/+3 until end of turn.

Kicker {R} (You may pay an additional {R} as you cast this spell.) When this creature enters, if it was kicked, creatures you control get +1/+0 and gain haste until end of turn.

First strike Whenever a Pirate you control attacks, choose one that hasn't been chosen this turn — • Create a Treasure token. • Target creature can't block this turn. • Exile the top card of your library. You may play it this turn.

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

Other Goblins you control get +1/+1. {R}, {T}: This creature deals damage equal to the number of Goblins that entered the battlefield under your control this turn to any target.

Lightning Bolt deals 3 damage to any target.

Prowess, haste Disguise {5}{R}. This cost is reduced by {1} for each instant and sorcery card in your graveyard. (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When this creature is turned face up, discard your hand, then draw three cards.

First strike, haste {2}{R}, Sacrifice this creature: Draw a card and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Other Goblin creatures you control attack each combat if able. At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste. Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking Goblin.

This land enters tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert this land: Add {R}{R}. If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

This land enters tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

If you control two or more other lands, this land enters tapped. {T}: Add {R}. {3}{R}: Until end of turn, this land becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

({T}: Add {R}.)

({T}: Add {R}.)