Agatha's Soul Cauldron + Forensic Researcher + Neerdiv, Devious Diver

U identity

Commander legal

The 3 combo pieces

• Agatha's Soul Cauldron
• Forensic Researcher
• Neerdiv, Devious Diver

What must be in place

You control another creature that does not have summoning sickness and that has a +1/+1 counter on it.

How to execute it

1. Activate a creature using Forensic Researcher's ability by tapping it, untapping Neerdiv.
2. Activate Neerdiv using Forensic Researcher's ability by tapping it.
3. Neerdiv triggers, causing a player to mill cards equal to its power.
4. Resolve the Neerdiv ability from step 2, untapping another creature.
5. Repeat.

What the combo produces

• Infinite mill
• Infinite self-mill