Fate's Cruel Destiny

Sacrifice a legendary creature, pay XX life and
discard X cards and each opponent gains XX
life, draws X cards and puts a legendary creature
from their hand onto the battlefield.
Search your library for a card, put it into your
hand. Spells you cast cost X less to cast until
the beginning of your next turn. Aditionally,
you may pay for spells with life instead of mana
until your next turn.