Klothys, Destiny's Author

Indestructible
As long as your devotion to green and red is less than 7, Klothys isn't a creature.
Creatures can't gain indestructible, protection, shroud or hexproof.
Permanents can't enter the battlefield from graveyards or exile.
Spells can't be cast from graveyards or exile.
Loyalty counters can't be put on planeswalkers except when using a loyalty ability.