Lonis, Cryptozoologist + Multani's Harmony + Shrieking Drake + Steelfin Whale

GU identity

Commander legal

The 4 combo pieces

What must be in place

Multani's Harmony attached to Steelfin Whale.
Steelfin Whale does not have summoning sickness.

How to execute it

  1. Activate Steelfin Whale by tapping it, adding {U}.
  2. Cast Shrieking Drake by paying {U}.
  3. Shrieking Drake enters the battlefield, triggering itself and Lonis.
  4. Resolve the Shrieking Drake trigger, returning it from the battlefield to your hand.
  5. Resolve the Lonis trigger, creating a Clue token.
  6. The Clue enters the battlefield, triggering Steelfin Whale, untapping Steelfin Whale.
  7. Repeat.

What the combo produces