Artifact
Whenever
you
cast
an
instant
or
sorcery
spell,
put
a
charge
counter
on
this
artifact.
,
,
Remove
any
number
of
charge
counters
from
this
artifact:
It
deals
that
much
damage
to
any
target.
,
:
Exile
the
top
card
of
your
library.
You
may
play
that
card
this
turn.
