Artifact
As
this
artifact
enters,
choose
a
creature
type.
Whenever
a
permanent
you
control
of
the
chosen
type
enters,
put
a
charge
counter
on
this
artifact.
,
Remove
three
charge
counters
from
this
artifact:
When
you
next
cast
an
instant
or
sorcery
spell
this
turn,
copy
it.
You
may
choose
new
targets
for
the
copy.
