Charon, The Ferryman

-Indestructible, Hexproo
When this card enters the battlefield,
but X Lore counters on it.
-at the beginning of youtend step,
if you exiled a creature this turn,
create 1 Lore token
{t}, {x}: sacrifice a human or spirit creature
with X mana cost or less, remove X Lore
counters on this card