Stormblood Berserker

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.)
Menace (This creature can't be blocked except by two or more creatures.)

Flame Slash

Flame Slash deals 4 damage to target creature.

Furnace Scamp

Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, this creature deals 3 damage to that player.

Boggart Brute

Menace (This creature can't be blocked except by two or more creatures.)

Mountain

Goblin Arsonist

When this creature dies, you may have it deal 1 damage to any target.

Titan's Strength

Target creature gets +3/+1 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Lightning Strike

Lightning Strike deals 3 damage to any target.

Skitter of Lizards

Multikicker {1}{R} (You may pay an additional {1}{R} any number of times as you cast this spell.)
Haste
This creature enters with a +1/+1 counter on it for each time it was kicked.

Renegade Tactics

Target creature can't block this turn.
Draw a card.

Mage-Ring Bully

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
This creature attacks each combat if able.