Kykar, Zephyr Awakener, Ardent Elementalist, and Time Walk

Prerequisites

• Kykar, Zephyr Awakener on the battlefield
• Ardent Elementalist on the battlefield
• Time Walk in hand
• each turn available

Steps

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

Results

• Infinite turns
• Lock