Grolnok, the Omnivore + Jace's Erasure + Semblance Anvil + Sensei's Divining Top

GU identity

Commander legal

The 4 combo pieces

What must be in place

There is an artifact card exiled with Semblance Anvil.

How to execute it

  1. Activate Sensei's Divining Top by tapping it, causing you to draw a card and putting Sensei's Divining Top from the battlefield onto the top of your library.
  2. Jace's Erasure triggers, causing you to mill Sensei's Divining Top.
  3. When Sensei's Divining Top is milled, Grolnok triggers, exiling Sensei's Divining Top with a croak counter on it.
  4. Cast Sensei's Divining Top from exile by paying {0}.
  5. Repeat.

What the combo produces