Yathiel, Faeclade King

Yathiel, Faeclade King costs {1} less to cast for
each creature card among all graveyard.
At the beginning of each end step, if a creature
died this turn, search your library for a land card
with a basic land type and put it onto the battlefield tapped. Then shuffle your library.
____________________________________
"The elves give their lives in service to nature. I am nature, so they die in service to me."