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.)

Goblin War Strike deals damage to target player or planeswalker equal to the number of Goblins you control.

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

Sacrifice a Goblin: Regenerate target creature.

Creatures you control gain trample until end of turn. (Each of those creature can deal excess combat damage to the player or planeswalker it's attacking.) Draw a card.

Until end of turn, target attacking creature gets +2/+2 and gains trample and "Whenever this creature deals combat damage to a player, destroy target artifact that player controls."

Choose target creature or planeswalker. You get {E}{E}{E} (three energy counters), then you may pay any amount of {E}. Galvanic Discharge deals that much damage to that permanent.

Whenever this creature attacks while you control a creature with power 4 or greater, this creature gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

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.

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

Raid — This creature enters with a +1/+1 counter on it if you attacked this turn.

Exhaust — {2}{R}: Discard up to two cards, then draw that many cards. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

Sacrifice this creature: It deals 3 damage divided as you choose among one, two, or three targets.

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.")

Create two 1/1 red Goblin creature tokens.

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

Goblin Negotiation deals X damage to target creature. Create a number of 1/1 red Goblin creature tokens equal to the amount of excess damage dealt to that creature this way.

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