Conjurer's Closet + Myr Battlesphere + Panharmonicon + Time Sieve

UB identity

Commander legal

The 4 combo pieces

• Conjurer's Closet
• Myr Battlesphere
• Panharmonicon
• Time Sieve

How to execute it

1. At the beginning of your end step, Conjurer's Closet triggers, blinking Myr Battlesphere.
2. When Myr Battlesphere enters the battlefield, its first ability triggers twice, creating eight 1/1 Myr artifact creature tokens.
3. Activate Time Sieve by tapping it and sacrificing five Myrs, causing you to take an extra turn after this one.
4. Repeat each turn.

What the combo produces

• Infinite turns
• Lock