Mask Of The Barn Owl

Wear: {u/b}{u/b}(Attach this artifact to yourself.
If this artifact becomes unattached for any reason,
exile it.)
As long as Mask Of The Barn Owl is attached
to you, creatures without flying can't
attack you unless it's controller pays {1}
As long as Mask Of The Barn Owl is
attached to you, draw a card at the beginning
of your end step.