Great Furnace

Perilous Myr

When Perilous Myr dies, it deals 2 damage to any target.

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

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

When Servo Schematic enters or is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

As an additional cost to cast this spell, sacrifice an artifact.
Shrapnel Blast deals 5 damage to any target.

Galvanic Blast deals 2 damage to any target.
Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

When Ichor Wellspring enters or is put into a graveyard from the battlefield, draw a card.

Whenever an artifact you control enters, Reckless Fireweaver deals 1 damage to each opponent.

Lightning Bolt deals 3 damage to any target.

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.