Myralliah the Pale

Flying, Fear
When Myralliah the Pale enters the battlefield
Scry X and draw a card, where X equals 1 plus
the number of Sphinxes and Seers you control.
Whenever you Scry you may pay {w/b}, if you do
you gain a life and target opponent loses a life.
For all she could see, the one thing she could not was
her own final demise.