Goblin Piker

Shivan Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.)
{R}: Shivan Dragon gets +1/+0 until end of turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mountain

Predator Dragon

Flying, haste
Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

Raging Goblin

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

Boggart Brute

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

Dragon Mantle

Enchant creature
When Dragon Mantle enters the battlefield, draw a card.
Enchanted creature has "{R}: This creature gets +1/+0 until end of turn."

Krenko, Mob Boss

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

Arc Lightning

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

Krenko's Command

Create two 1/1 red Goblin creature tokens.

Rummaging Goblin

Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Rorix Bladewing

Dragon Fodder

Lightning Strike

Lightning Strike deals 3 damage to any target.

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)