Ensoul Artifact + Prototype Portal + Retreat to Coralhelm + Treasure Vault

U identity

Commander legal

The 4 combo pieces

What must be in place

Ensoul Artifact attached to Prototype Portal.
Prototype Portal does not have summoning sickness.

How to execute it

  1. Activate Prototype Portal by tapping it, creating a token copy of Treasure Vault.
  2. When the Treasure Vault token enters the battlefield, Retreat to Coralhelm triggers, untapping Prototype Portal.
  3. Repeat.
  4. Once you have infinite Treasure Vault tokens, you may tap them for infinite mana, and then use a Treasure Vault to create infinite Treasure toknes.

What the combo produces