Lonis, Genetics Expert, Atog, and Sakashima the Impostor

Prerequisites

• Lonis, Genetics Expert on the battlefield
• Atog on the battlefield
• Sakashima the Impostor on the battlefield
• You control at least one Clue token
• Sakashima the Impostor on the battlefield as a copy of Lonis

Steps

1. Activate Atog by sacrificing a Clue
2. Lonis and Sakashima the Impostor's second abilities trigger
3. Resolve the Lonis trigger, putting a +1/+1 counter on Sakashima the Impostor
4. Sakashima the Impostor's first ability triggers, creating a Clue artifact token
5. Resolve the Sakashima the Impostor trigger from step 2, putting a +1/+1 counter on Lonis
6. Lonis' first ability triggers, creating a Clue artifact token
7. Resolve the Atog ability
8. Repeat

Results

• Infinite +1/+1 counters
• Infinite Clue tokens
• Infinitely large Atog until end of turn