Twinshot Sniper

Reach
When Twinshot Sniper enters, it deals 2 damage to any target.
Channel — {1}{R}, Discard Twinshot Sniper: It deals 2 damage to any target.

Goblin War Wagon

Goblin War Wagon doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {2}. If you do, untap Goblin War Wagon.

Goblin Spelunkers

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Innocent Bystander

Whenever Innocent Bystander is dealt 3 or more damage, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Squee, the Immortal

You may cast Squee, the Immortal from your graveyard or from exile.

Hulking Bugbear

Tremor

Tremor deals 1 damage to each creature without flying.

Goblin Hero

Acorn Catapult

{1}, {T}: Acorn Catapult deals 1 damage to any target. That permanent's controller or that player creates a 1/1 green Squirrel creature token.

Goblin Rimerunner

{T}: Target creature can't block this turn.
{S}: Goblin Rimerunner gains haste until end of turn. ({S} can be paid with one mana from a snow source.)

Path of Anger's Flame

Creatures you control get +2/+0 until end of turn.

Mogg Fanatic

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

Strangle

Strangle deals 3 damage to target creature or planeswalker.

Goblin Motivator

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

Goblinslide

Whenever you cast a noncreature spell, you may pay {1}. If you do, create a 1/1 red Goblin creature token with haste.

Goblin Digging Team

{T}, Sacrifice Goblin Digging Team: Destroy target Wall.

Dragon Mage

Flying
Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Boiling Seas

Goblin Ski Patrol

{1}{R}: Goblin Ski Patrol gets +2/+0 and gains flying. Its controller sacrifices it at the beginning of the next end step. Activate only once and only if you control a snow Mountain.

Mons's Goblin Raiders

Screaming Fury

Target creature gets +5/+0 and gains haste until end of turn.

Goblin Raider

Dragon Fodder

Create two 1/1 red Goblin creature tokens.

Sparksmith

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