Snow-Covered Mountain

Goblin Roughrider

Goblin Wardriver

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Goblin Champion

Haste
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Borderland Minotaur

Blood Frenzy

Cast this spell only before the combat damage step.
Target attacking or blocking creature gets +4/+0 until end of turn. Destroy that creature at the beginning of the next end step.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Goblin Chariot

Haste (This creature can attack and {T} as soon as it comes under your control.)