Foundry Street Denizen

Whenever another red creature enters the battlefield under your control, Foundry Street Denizen gets +1/+0 until end of turn.

Goblin Roughrider

Ancestral Anger

Target creature gains trample and gets +X/+0 until end of turn, where X is 1 plus the number of cards named Ancestral Anger in your graveyard.
Draw a card.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Goblin Picker

Raging Goblin

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

Lightning Strike

Lightning Strike deals 3 damage to any target.

Volley Veteran

When Volley Veteran enters the battlefield, it deals damage to target creature an opponent controls equal to the number of Goblins you control.

Mountain

Volcanic Hammer

Volcanic Hammer deals 3 damage to any target.

Lightning Elemental

Antagonize

Target creature gets +4/+3 until end of turn.