Cast 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, and then putting a number of +1/+1 counters on it equal to your deck size.
When the Fractal enters the battlefield, Doom Weaver's soulbond ability triggers, pairing it and the Fractal.
Kill the Fractal.
The Fractal triggers, causing you to draw cards equal to its power.