Amoeboid Changeling + Five Hundred Year Diary + Scuttling Sliver + Trazyn the Infinite

UB identity

Commander legal

The 4 combo pieces

What must be in place

You control at least three Clues.

How to execute it

  1. Activate Amoeboid Changeling by tapping it, causing Trazyn to become a Sliver until end of turn.
  2. Activate Trazyn using Five Hundred Year Diary's ability by tapping it, adding at least {U}{U}{U}.
  3. Activate Trazyn by paying {2}, untapping it.
  4. Repeat from step 2.

What the combo produces