Demonic Tutor + Seasons Past + Walk the Aeons

Mana needed: {9}{B}{G}{G}{U}{U} each turn

BGU identity

Commander legal

The 3 combo pieces

• Demonic Tutor
• Seasons Past
• Walk the Aeons

How to execute it

1. Cast Seasons Past by paying {4}{G}{G}, returning Demonic Tutor, Walk the Aeons, and any number of cards with different mana costs to your hand and putting Seasons Past on the bottom of your library.
2. Cast Demonic Tutor by paying {1}{B}, putting Seasons Past from your library into your hand.
3. Cast Walk the Aeons by paying {4}{U}{U}, granting you an extra turn.
4. Repeat each turn.

What the combo produces

• Infinite turns
• Lock