Celestial Reliquary Form 2

At the beginning of your upkeep, if you
control no creatures, create a 1/1 white Spirit
creature token with flying.

{t}, Sacrifice any Celestial Reliquary: Exile
target nonland permanent, then return it to
the battlefield under its owner's control at the
beginning of the next end step.

"Sanctified by the stars, its light preserves purity through even the darkest ages."