Issun, Wandering Artist

Whenever a legendary Demon enters the
battlefield under your control, you may search
your library for a card named Celestial Envoy,
put it into your hand, then shuffle your library.
Soulbond
As long as Issun is paired with Amaterasu, both
creatures get +0/+2 and have vigilance.
"Bug? I told you a thousand times not to call
me that!"