Lonis, Genetics Expert, Piper Wright, Publick Reporter, and Megatog

Prerequisites

• Lonis, Genetics Expert on the battlefield
• Piper Wright, Publick Reporter on the battlefield
• Megatog on the battlefield
• You control at least one Clue

Steps

1. Activate Megatog by sacrificing a Clue
2. Lonis' third ability and Piper Wright's second abilities trigger
3. Resolve the Lonis trigger, putting a +1/+1 counter on any other creature you control
4. Resolve the Piper Wright trigger, putting a +1/+1 counter on Lonis
5. Lonis' second ability triggers, creating a Clue artifact token
6. Resolve the Megatog ability from step 1, giving it +3/+3 until end of turn
7. Repeat

Results

• Infinite +1/+1 counters
• Infinitely large Megatog until end of turn