Kykar, Zephyr Awakener, Capture of Jingzhou, and Donnie & April, Adorkable Duo

Prerequisites

• Kykar, Zephyr Awakener on the battlefield
• Capture of Jingzhou in hand
• Donnie & April, Adorkable Duo on the battlefield
• each turn available

Steps

1. Cast Capture of Jingzhou by paying its mana cost
2. Kykar triggers, exiling Donnie & April
3. Resolve Capture of Jingzhou, causing you to take an extra turn after this one
4. At the beginning of your end step, Kykar triggers, returning Donnie & April from exile to the battlefield
5. When Donnie & April enters, it triggers, returning Capture of Jingzhou from your graveyard to your hand
6. Repeat each turn

Results

• Infinite turns
• Lock