Scroll of Immortality

` (Scroll of Immortality is black)
Pay 10 life and {2}, Sacifice three creatures,
Discard two cards, Exile four creatures from
your graveyard, Exile Scroll of Immortality from
your hand: Create a black enchantment token
with "As long as you control this enchantment,
you can't lose the game. Whenever you lose life,
mill that many cards." Activate only as sorcery.