Tiamat, Mother of Dragons

Flying Indestructible
Eminence As long as this card is in the command
zone or on the battlefield, Enchantment spells
you cast cost {1} less.
Whenever you cast an Enchantment spell it is a creature in addition to its other types and
it's power/toughness are equal to it's CMC.
This creatures power/toughness is equal to the
number of Enchantments you control.
Tiamat isn't a creature unless your devotion to {w}{u}{b}{r}{g} is 10.