Elthri, the City of Labyrinths

Elthri, the City of Labyrinths, comes into play tapped.

{t}: Add {b}, {g}, or {w} to your mana pool.

{t}, Sacrifice creature: Shuffle a target creature card from your graveyard into your library.

Whenever a creature you control dies, create a 1/1 black, green, and white Spirit token.

"At the labyrinth's heart, the spirits never rest, only life."
— Orath, the Mana Seeker