Amoeboid Changeling + Sparring Mummy + Spawning Pit + Valkyrie's Call

WU identity

Commander legal

The 4 combo pieces

What must be in place

Amoeboid Changeling does not have summoning sickness.

How to execute it

  1. Activate Amoeboid Changeling's second ability by tapping it, removing all creature types from Sparring Mummy.
  2. Activate Spawning Pit by sacrificing Sparring Mummy.
  3. When Sparring Mummy dies, Valkyrie's Call triggers, returning Sparring Mummy from your graveyard to the battlefield as an Angel with flying and a +1/+1 counter on it.
  4. When Sparring Mummy enters the battlefield, it triggers, untapping Amoeboid Changeling.
  5. Resolve the Spawning Pit ability, putting a charge counter on it.
  6. Repeat.

What the combo produces