Instant
Change
the
text
of
target
permanent
by
replacing
all
instances
of
one
color
word
with
another
or
one
basic
land
type
with
another.
(For
example,
you
may
change
"nonblack
creature"
to
"nongreen
creature"
or
"forestwalk"
to
"islandwalk."
This
effect
lasts
indefinitely.)