Kemba, Kha Enduring + Mana Echoes + Chromatic Orrery

Kemba, Kha Enduring

Mana Echoes

Chromatic Orrery

How it works

1. Activate Kemba by paying 5, creating a 2/2 Cat creature token.
2. The Cat enters the battlefield, triggering Kemba and Mana Echoes.
3. Resolve the Kemba trigger, allowing you to attach an Equipment to the Cat token.
4. Resolve the Mana Echoes trigger, adding at least CCCCC.
5. Repeat.