Arcane Adaptation + Encroaching Mycosynth + Rotlung Reanimator + Time Sieve

UB identity

Commander legal

The 4 combo pieces

• Arcane Adaptation
• Encroaching Mycosynth
• Rotlung Reanimator
• Time Sieve

What must be in place

You control at least five other creatures.
"Cleric" chosen with Arcane Adaptation.

How to execute it

1. Activate Time Sieve by tapping it and sacrificing five other creatures.
2. When the creatures die as Clerics due to Arcane Adaptation, Rotlung Reanimator triggers five times, creating five 2/2 Zombie creature tokens.
3. Resolve the Time Sieve ability, causing you to take an extra turn after this one.
4. Repeat each turn.

What the combo produces

• Infinite turns
• Lock