Ysivoth, Fiction Made Fact

Indestructible, Ward {5}
Whenever Ysivoth, Fiction Made Fact attacks,
search your library for an Enchantment card.
You may cast it without paying its mana cost.
Whenever an opponent casts a creature spell,
it becomes an Enchantment. It loses all other
types.
"There is no real or fake. There is his will."