Orvar, the All-Form + Submerge + Venser, Shaper Savant

U identity

Commander legal

The 3 combo pieces

What must be in place

An opponent controls a Forest.
You control an Island.

How to execute it

  1. Cast Submerge without paying its mana cost, targeting Venser.
  2. Orvar triggers, creating a token copy of Venser.
  3. Put either Venser into your graveyard due to the legend rule.
  4. The token Venser's enter-the-battlefield ability triggers, returning Submerge to your hand.
  5. Repeat.

What the combo produces