Sorcery
As
an
additional
cost
to
cast
this
spell,
you
may
collect
evidence
6.
(Exile
cards
with
total
mana
value
6
or
greater
from
your
graveyard.)
Each
opponent
sacrifices
a
creature
of
their
choice.
If
evidence
was
collected,
instead
each
opponent
sacrifices
a
creature
with
the
greatest
power
among
creatures
they
control.