Morlan, Primordial of Minds

Flying, Reach, Shroud.
Whenever you draw a card, you
may three life, if you do exile the top
card of target opponents library,
you may cast that card until end of turn,
you may use mana as if it were
mana of any source to cast that spell.
" Cultists scream to the sky and their master,
desperate to be heard"