Instant — Arcane
You
may
exile
a
white
card
with
mana
value
X
from
your
hand
rather
than
pay
this
spell's
mana
cost.
The
next
X
damage
that
a
source
of
your
choice
would
deal
to
you
and/or
creatures
you
control
this
turn
is
dealt
to
any
target
instead.
