Goblin Welder + Perilous Myr + Thornbite Staff

R identity

Commander legal

The 3 combo pieces

What must be in place

Thornbite Staff attached to Goblin Welder.
You control a nontoken artifact creature.
Goblin Welder does not have summoning sickness.

How to execute it

  1. Tap Goblin Welder, targeting the artifact creature on the battlefield and Perilous Myr in your graveyard.
  2. The artifact creature is sacrificed and Perilous Myr enters the battlefield.
  3. Goblin Welder triggers, untapping itself.
  4. Activate Goblin Welder again, targeting the artifact creature in your graveyard and Perilous Myr on the battlefield.
  5. The artifact creature returns to the battlefield and Perilous Myr is sacrificed.
  6. Goblin Welder triggers, untapping itself.
  7. Perilous Myr triggers, dealing 2 damage to any target.
  8. Repeat for infinite damage.

What the combo produces