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.
Terrasymbiosis triggers, causing you to draw a card for each +1/+1 counter placed, thus causing you to draw your library.