Scheming Symmetry + Seasons Past + Walk the Aeons

Mana needed: {8}{B}{G}{G}{U}{U} each turn

BGU identity

Commander legal

The 3 combo pieces

• Scheming Symmetry
• Seasons Past
• Walk the Aeons

How to execute it

1. Cast Seasons Past by paying {4}{G}{G}, returning Walk the Aeons, Scheming Symmetry, and any number of cards with different mana costs to your hand and putting Seasons Past on the bottom of your library.
2. Cast Scheming Symmetry by paying {B}, putting Seasons Past on top of your library and allowing target player to put the card of their choice in their library on top of their library.
3. Cast Walk the Aeons by paying {4}{U}{U}, granting you an extra turn.
4. In the draw step of your next extra turn, draw Seasons Past.
5. Repeat each turn.

What the combo produces

• Infinite turns
• Lock