Mana Echoes + Mycosynth Lattice + Whitemane Lion

Mana needed: {2}

RW identity

Commander legal

The 3 combo pieces

What must be in place

You control at least one Cat.

How to execute it

  1. Cast Whitemane Lion by paying {2}.
  2. When Whitemane Lion enters the battlefield, it and Mana Echoes trigger.
  3. Resolve the Mana Echoes trigger, adding {C} for each Cat you control.
  4. Resolve the Whitemane Lion trigger, returning it to your hand from the battlefield.
  5. Repeat.
  6. If you control at least two Cats outside of Whitemane Lion, this combo nets infinite mana.

What the combo produces