Tyamashu, Gargled by the Seas

As long as your devotion to black is less than five
and smaller than your devotion to all other colors
combined, Tyamashu isn't a creature.
Tyamashu is indestructible as long as it is a creature.
Whenever a creature card you control becomes
an enchantment, you can pay {b}{b}{b}. If you do,
create a copy of it, except that it loses all other
card types, except enchantment.
{3}{b}{b}{b}, {t}: Return target creature card from
your graveyard to the battlefield. The creature is
an Enchantme