Kykar, Zephyr Awakener, Warden of the Eye, and Walk the Aeons

Prerequisites

• Kykar, Zephyr Awakener on the battlefield
• Warden of the Eye on the battlefield
• Walk the Aeons in hand
• each turn available

Steps

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

Results

• Infinite turns
• Lock