Progenitor Mimic + Scholar of the Ages + Time Walk

Mana needed: {1}{U} each turn

GU identity

The 3 combo pieces

• Progenitor Mimic
• Scholar of the Ages
• Time Walk

How to execute it

1. Cast Time Walk by paying {1}{U}, taking an extra turn after this one.
2. At the beginning of your next upkeep, Progenitor Mimic triggers, creating a token copy of Scholar of the Ages.
3. When the token Scholar of the Ages enters the battlefield, it triggers, returning Time Walk from your graveyard to your hand.
4. Repeat.

What the combo produces

• Infinite turns
• Lock