Akroma's Memorial + Chishiro, the Shattered Blade + Mana Echoes + Trusty Boomerang

Mana needed: {4} at most

RG identity

Commander legal

The 4 combo pieces

How to execute it

  1. Cast Trusty Boomerang by paying {1}.
  2. When Trusty Boomerang enters, Chishiro's triggers, creating a 2/2 Spirit creature token.
  3. When the Spirit enters, Mana Echoes triggers, adding {C} for each Spirit you control.
  4. Activate Trusty Boomerang's equip ability by paying {1}, attaching it to the Spirit token.
  5. Activate the Spirit by paying {1} and tapping it, tapping a creature and returning Trusty Boomerang from the battlefield to your hand.
  6. Repeat.

What the combo produces