Goblin Cohort

This creature can't attack unless you've cast a creature spell this turn.

Goblin General

Whenever this creature attacks, Goblin creatures you control get +1/+1 until end of turn.

Frenzied Goblin

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

Goblin Lookout

{T}, Sacrifice a Goblin: Goblin creatures get +2/+0 until end of turn.

Krenko's Command

Create two 1/1 red Goblin creature tokens.

Mountain

Incinerate

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Goblin Bushwhacker

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.

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Goblin Sledder

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

Mogg Flunkies

This creature can't attack or block alone.

Goblin Caves

Enchant land
As long as enchanted land is a basic Mountain, Goblin creatures get +0/+2.

Foundry Street Denizen

Whenever another red creature you control enters, this creature gets +1/+0 until end of turn.