Remarkably little, at least at first
Since Raul allows you to cast a milled card every turn, the card can potentially, offer four cards worth of card advantage in one rotation of the table
This isn't the only Lord of the Rings collage in the set: versions of the One Ring, Samwise, Gollum, and Frodo cards combine to form a scene, showing the Ring being cast into Mount Doom
For two mana, it makes every other creature of the chosen type enter the battlefield +1/+1 larger than it otherwise would have
(1/24/2020) As a God enters the battlefield, your devotion to its color will determine whether any replacement effects that affect creatures entering the battlefield apply to that God
Instinctively, you hold it high above the open book