Conjurer's Bauble + Mechanized Production + River Song + Temporal Manipulation

UR identity

Commander legal

The 4 combo pieces

• Conjurer's Bauble
• Mechanized Production
• River Song
• Temporal Manipulation

What must be in place

You have enough mana to cast Temporal Manipulation each turn.

How to execute it

1. At the beginning of your upkeep, Mechanized Production triggers, creating a token copy of Conjurer's Bauble.
2. Cast Temporal Manipulation by paying its mana cost, causing you to take an extra turn after this one.
3. Activate the Conjurer's Bauble token by tapping and sacrificing it, putting Temporal Manipulation onto the bottom of your library from your graveyard, and then causing you to draw Temporal Manipulation from the bottom of your library due to River Song.
4. Repeat each turn.

What the combo produces

• Infinite turns
• Lock