Encroaching Mycosynth + Lena, Selfless Champion + Rionya, Fire Dancer + Time Sieve

WUBR identity

Commander legal

The 4 combo pieces

• Encroaching Mycosynth
• Lena, Selfless Champion
• Rionya, Fire Dancer
• Time Sieve

What must be in place

You control at least five nontoken creatures.

How to execute it

1. At the beginning of your combat phase, Rionya triggers, creating at least one token copy of Lena with haste.
2. Put the Lena token into your graveyard due to the legend rule.
3. The Lena token enters-the-battlefield ability triggers, creating at least five 1/1 Soldier creature tokens.
4. Activate Time Sieve by tapping it, sacrificing the Lena token and the Soldier tokens, causing you to take an extra turn after this one.
5. Repeat each turn.

What the combo produces

• Infinite turns
• Lock