Cheering Fanatic + Forensic Gadgeteer + Sensei's Divining Top + Urza, Lord High Artificer

UR identity

Commander legal

The 4 combo pieces

How to execute it

  1. Declare Cheering Fanatic as an attacker. When it triggers, choose to name "Sensei's Divining Top".
  2. Cast Sensei's Divining Top by paying {0}.
  3. Forensic Gadgeteer triggers, creating a Clue token.
  4. Activate Urza's first ability by tapping the Clue, adding {U}.
  5. Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top from the battlefield on top of your library.
  6. Activate the Clue by paying {1} and sacrificing it, causing you to draw Sensei's Divining Top from the top of your library.
  7. Repeat from step 2

What the combo produces