Mm'menon, Uthros Exile, and Lonis, Genetics Expert

Prerequisites

• Mm'menon, Uthros Exile on the battlefield
• Lonis, Genetics Expert on the battlefield

Steps

1. Put a +1/+1 counter on Lonis
2. Lonis's first ability triggers, creating a Clue token
3. When the Clue enters, Mm'menon triggers, putting a +1/+1 counter on Lonis
4. Repeat from step 2

Results

• Infinite Clue tokens
• Infinite +1/+1 counters on a creature