Five Hundred Year Diary + Grim Monolith + Trazyn the Infinite

UB identity

Commander legal

The 3 combo pieces

What must be in place

You control at least five Clues.

How to execute it

  1. Activate Trazyn using Five Hundred Year Diary's ability by tapping it, adding at least {U}{U}{U}{U}{U}
  2. Activate Trazyn using Grim Monolith's ability by paying {4}, untapping Trazyn.
  3. Repeat.

What the combo produces