Sanctuary Doors

When Sanctuary Doors enters the battlefield, Scry 5
and gain 5 life

{w}{u}{b}{r}{g}, Sacrifice Sanctuary Doors: Search
your library, graveyard, or exile for a creature or plaeswalker with Roku in its name. Put it onto the battlefield, then shuffle your library.

"Only a fully realized avatar is powerful enough to
open this door alone. Otherwise, the sages must open
the doors with five simultaneous fire blasts." -Shyu