Body of Research by paying ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) , creating a 0/0 Fractal creature token, then putting a number of +1/+1 counters on it equal to your deck size.
Cast
One Ring to Rule Them All by paying ({2} magic symbol) ({B} magic symbol) ({B} magic symbol) , which enters the battlefield with a lore counter on it.
One Ring to Rule Them All's first chapter ability triggers, causing the Ring to tempt you, then causing the Fractal to become your Ring-bearer, then causing each player to mill cards equal to the Fractal's power.
Results
Infinite mill.
Infinite self-mill.
Metadata
In 6 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).