Benthic Biomancer + Golgari Thug + Thran Vigil

UB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Put a +1/+1 counter on Benthic Biomancer.
  2. Benthic Biomancer triggers, causing you to mill four cards and return Golgari Thug from your graveyard to your hand, and then causing you to discard Golgari Thug.
  3. Thran Vigil triggers, putting a +1/+1 counter on Benthic Biomancer.
  4. Repeat from step 2.

What the combo produces