Eternal Witness + Kykar, Zephyr Awakener + Walk the Aeons

Mana needed: {4}{U}{U} each turn

GWU identity

Commander legal

The 3 combo pieces

• Eternal Witness
• Kykar, Zephyr Awakener
• Walk the Aeons

How to execute it

1. Cast Walk the Aeons by paying its mana cost.
2. Kykar triggers, exiling Eternal Witness.
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 Eternal Witness from exile to the battlefield.
5. When Eternal Witness enters, it triggers, returning Walk the Aeons from your graveyard to your hand.
6. Repeat each turn.

What the combo produces

• Infinite turns
• Lock