Add {R} for each creature you control.

Indestructible

Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.

{2}{R}, {T}: Brash Taunter fights another target creature.

As an additional cost to cast this spell, tap any number of untapped creatures you control.

Burn at the Stake deals damage to any target equal to three times the number of creatures tapped this way.

Burn from Within deals X damage to any target. If a creature is dealt damage this way, it loses indestructible until end of turn. If that creature would die this turn, exile it instead.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Sacrifice a Goblin: Regenerate target creature.

{T}: Target creature gains haste until end of turn. (It can attack and {T} this turn.)

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.

Sacrifice a Goblin: Target creature gets +1/+1 until end of turn.

When Impulsive Pilferer dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Haste

{T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

Tap an untapped creature you control: Kyren Negotiations deals 1 damage to target player or planeswalker.

Shock deals 2 damage to any target.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Double strike

Whenever Warren Instigator deals damage to an opponent, you may put a Goblin creature card from your hand onto the battlefield.