Amoeboid Changeling + Deceiver Exarch + 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 Deceiver Exarch.
  2. Activate Spawning Pit by sacrificing Deceiver Exarch.
  3. When Deceiver Exarch dies, Valkyrie's Call triggers, returning Deceiver Exarch from your graveyard to the battlefield as an Angel with flying and a +1/+1 counter on it.
  4. When Deceiver Exarch 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