Walks-The-Path, Funeral Priest

Trample. Menace.
As Walks-The-Path, Funeral Priest enters the
battlefield, you may pay X life. Each player puts
X number of cards from the top of their libraries
into their graveyards.
Walks-The-Path, Funeral Priest, has +1/+1 for
every creature card in all graveyards.
"All marrow will become soil, in the end. Scales,
though, are made of tougher stuff."