Clickslither

Haste Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.

Gempalm Incinerator

Cycling {1}{R} ({1}{R}, Discard this card from your hand: 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 in play.

Electrostatic Bolt

Electrostatic Bolt deals 2 damage to target creature. If it's an artifact creature, Electrostatic Bolt deals 4 damage to it instead.

Blinkmoth Nexus

{T}: Add {1} to your mana pool. {1}: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land. {1}, {T}: Target Blinkmoth creature gets +1/+1 until end of turn.

Goblin Sharpshooter

Goblin Sharpshooter doesn't untap during your untap step. Whenever a creature is put into a graveyard from play, untap Goblin Sharpshooter. {T}: Goblin Sharpshooter deals 1 damage to target creature or player.

Goblin Burrows

{T}: Add {1} to your mana pool. {1}{R}, {T}: Target Goblin gets +2/+0 until end of turn.

Goblin Sledder

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

Skirk Prospector

Sacrifice a Goblin: Add {R} to your mana pool.

Sparksmith

{T}: Sparksmith deals X damage to target creature and X damage to you, where X is the number of Goblins in play.

Goblin Piledriver

Protection from blue. Whenever Goblin Piledriver attacks, it gets +2/+0 until end of turn for each other attacking Goblin.

Sulfuric Vortex

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player. If a player would gain life, that player gains no life instead.

Goblin Warchief

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

Siege-Gang Commander

When Siege-Gang Commander comes into play, put three 1/1 red Goblin creature tokens into play. {1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to target creature or player.

Skullscorch

Target player discards two cards at random from his or her hand unless that player has Skullscorch deal 4 damage to him or her.

Bloodstained Mire

Shock

Shock deals 2 damage to any target.