Dross Scorpion + Grinding Station + Myr Moonvessel + Prototype Portal

Mana needed: {1}

C identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Prototype Portal by paying {1} and tapping it, creating a token copy of Myr Moonvessel.
  2. When the token Myr Moonvessel enters, Grinding Station triggers, untapping itself.
  3. Activate Grinding Station by sacrificing Myr Moonvessel and tapping it.
  4. When Myr Moonvessel dies, Myr Moonvessel and Dross Scorpion trigger.
  5. Resolve the Myr Moonvessel trigger, adding {C}.
  6. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  7. Resolve the Grinding Station ability, causing target player to mill three cards.
  8. Repeat.

What the combo produces