Progenitor Mimic + Time Warp + Timeless Witness

GU identity

Commander legal

The 3 combo pieces

• Progenitor Mimic
• Time Warp
• Timeless Witness

What must be in place

Enough mana available to cast the extra turn spell each turn.
Progenitor Mimic is a copy of Timeless Witness.

How to execute it

1. Cast Time Warp by paying its mana cost, taking an extra turn after this one.
2. At the beginning of your next upkeep, Progenitor Mimic triggers, creating a token copy of Timeless Witness.
3. When the token Timeless Witness enters the battlefield, it triggers itself, returning Time Warp from your graveyard to your hand.
4. Repeat.

What the combo produces

• Infinite turns
• Lock