Mycosynth Lattice + Rionya, Fire Dancer + Time Sieve + Underworld Hermit

UBR identity

Commander legal

The 4 combo pieces

• Mycosynth Lattice
• Rionya, Fire Dancer
• Time Sieve
• Underworld Hermit

How to execute it

1. At the beginning of your combat phase, Rionya triggers, creating at least one token copy of Underworld Hermit with haste.
2. When the Underworld Hermit token enters the battlefield, it triggers, creating at least four 1/1 Squirrel creature tokens.
3. Activate Time Sieve by tapping it, sacrificing the Underworld Hermit token and the Squirrel tokens, causing you to take an extra turn after this one.
4. Repeat each turn.

What the combo produces

• Infinite turns
• Lock