Enchantment
When
this
enchantment
enters,
exile
up
to
X
target
creatures.
For
each
of
those
cards,
its
owner
may
play
it
for
as
long
as
it
remains
exiled.
Whenever
one
or
more
nontoken
creatures
enter,
if
one
or
more
of
them
entered
from
exile
or
was
cast
from
exile,
you
draw
a
card.
This
ability
triggers
only
once
each
turn.