Shulker, The End Keeper

As long as your combined devotion to blue and
white is less than 10, Shulker isn't a creature.
As long as it isn't your turn, Shulkur has indestructable and hexproof.
{w}{u}, {t}: {t} Another target creature. It gains indestructable and hexproof until end of turn.
{2}{w}{u}, {t}: Choose another target creature. If it
doen't have flying, it gains flying. If it already has flying, exile it.
What's in the box? You don't want to know...