Ultimecia, Time Sorceress // Ultimecia, Omnipotent, and Agatha's Soul Cauldron

Prerequisites

• Ultimecia, Time Sorceress // Ultimecia, Omnipotent on the battlefield
• Agatha's Soul Cauldron on the battlefield

Steps

1. Activate Ultimecia, Time Sorceress using the other transforming creature's ability by paying its activation cost, transforming Ultimecia, Time Sorceress into Ultimecia, Omnipotent
2. Ultimecia, Omnipotent triggers, causing you to take an extra turn after this one
3. Activate Ultimecia, Omnipotent using the other transforming creature's ability by paying its activate cost, transforming Ultimecia, Omnipotent into Ultimecia, Time Sorceress
4. Repeat each turn

Results

• Infinite turns