Yawgmoth, the Returned

Ingrain, Protection from Everything
So long as less then 10 spells have been cast this turn, Yawgmoth isn't a creature.
Spells you cast can't be countered and have Cascade.
Instant and sorcery spells you cast have Storm.
Permanent spells you cast Swarm
{4}: Choose a card you own from outside the game, and put it into your hand.
You may spend mana as though it were mana of any type in order to cast spells.