Instant
Convoke
(Your
creatures
can
help
cast
this
spell.
Each
creature
you
tap
while
casting
this
spell
pays
for
or
one
mana
of
that
creature's
color.)
Search
your
library
for
a
creature
card
with
mana
value
X
or
less,
put
it
onto
the
battlefield,
then
shuffle.
