Corridor Monitor + Dross Scorpion + Goblin Welder + Liquimetal Torque

UR identity

Commander legal

The 4 combo pieces

What must be in place

Goblin Welder does not have summoning sickness.

How to execute it

  1. Activate Liquimetal Torque's second ability by tapping it, causing Goblin Welder to become an artifact in addition to its other types until end of turn.
  2. Activate Goblin Welder by tapping it, sacrificing Dross Scorpion and returning Corridor Monitor from your graveyard to the battlefield.
  3. Dross Scorpion and Corridor Monitor trigger.
  4. Resolve the Dross Scorpion trigger, untapping Goblin Welder.
  5. Holding priority, activate Goblin Welder by tapping it, sacrificing Corridor Monitor and returning Dross Scorpion from your graveyard to the battlefield.
  6. Resolve the Corridor Monitor trigger, untapping Goblin Welder.
  7. Repeat from step 2.

What the combo produces