Conspiracy + Merrow Reejerey + Shrieking Drake

UB identity

Commander legal

The 3 combo pieces

What must be in place

"Merfolk" chosen with Conspiracy.
You control a permanent that can tap to produce at least {1}{U}.

How to execute it

  1. Activate any permanent you control by tapping it, adding at least {1}{U}.
  2. Cast Shrieking Drake by paying {U}.
  3. Merrow Reejerey triggers, untapping the mana producing permanent.
  4. Shrieking Drake enters the battlefield, returning itself from the battlefield to your hand.
  5. Repeat.

What the combo produces