Cthulhu, Ancient One

This spell cannot be countered. All exiled cards
are shuffled into their owners libraries.
Exclusion from all non-targetting effects.
You have Shroud.
Devoid, Shroud, Indestructible, Annihilator 2,
Flying, Deathtouch, Trample
{p/u}{p/r}; Gain control of target tapped Creature—
it attacks each combat if able.
{p/b}{p/g}{x}; Create X green and black 1/1 Eldritch
Horror Creature tokens with Shroud.