Reckless Abandon

As an additional cost to cast this spell, sacrifice a creature.
Reckless Abandon deals 4 damage to any target.

Hissing Iguanar

Whenever another creature dies, you may have Hissing Iguanar deal 1 damage to target player or planeswalker.

Create two 1/1 red Goblin creature tokens.

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

Lightning Bolt deals 3 damage to any target.

Target creature gets +3/+0 and gains first strike until end of turn.

Haste
{T}, Sacrifice Fanatical Firebrand: It deals 1 damage to any target.

When Goblin Instigator enters, create a 1/1 red Goblin creature token.

Forgotten Cave enters tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)