Kentaro, the Smiling Cat + Leyline of Transformation + Urza's Incubator + Whitemane Lion

WU identity

Commander legal

The 4 combo pieces

How to execute it

  1. Cast Whitemane Lion by paying {0}.
  2. When Whitemane Lion enters the battlefield, it triggers, returning itself from the battlefield to your hand.
  3. Repeat.

What the combo produces