Maraumi, the Resourceful

Whenever Maraumi, the Resourceful enters the
battlefield or becomes tapped, add {g}{g}{u}{u}.
{2}{g}{u}: Gain 3 life and draw a card.
{x}{g}{u}: Scry X. Look at the top X cards of your
library. You may put a creature card from
among them onto the battlefield. Put the rest on
the bottom of your library in any order. Each
opponent draws X cards.