Stone Titan, Depth Reborn

Eminence - As long as Stone Titan, Depth
Reborn is in the command zone or on the battlefield, you may pay {b}{g}{u} at any time to
exile target nonland permanent card from your graveyard and create a token that's a copy of it.
{2}{b}{g}{u}: Exile all nonland permanents you
control, then return all nonland permanents
from all graveyards to the battlefield under your control, then put the permanents that were
exiled into your graveyard.