Nekros's Spirit Caller

Infected
(This card is treated as a zombie in the graveyard.)
{u/b}, Sacrifice Nekros's Spirit Caller: Search your library for a spirit card with mana value 3 or less,
place it on the battlefield tapped, then shuffle.
"While I prefer to work with the incorpreal, I know
why my beloved employs these humans. They can be
quite useful when properly trained." - Lord Nekros