Lilu Atiosh, Head Librarian

Council (This creature can have a
partner if the other commander shares color identity)
As Long as Lilu Atiosh, Head Librarian is your commander, your deck can have any number of Haunted guardian in it.
Lilu Atiosh, Head Librarian's power is equal to
the number of Haunted Guardian you control.
Whenever you cast an instant or sorcery, search
your library for a Haunted Guardian and put it
onto the battlefield. Shuffle your library.