Ardyrf, impassible peak

Flying, first strike, indestructible
Ardyrf, impassable peak enters the battlefield
with 5 slumber counters on it.
Whenever a creature attacks you
remove a slumber counter from Ardyrf, target
player loses 1 life and draws a card.
As long as Ardyrf has a slumber counter on in it
is a snow land with {t}: add {s}, {b}, or {r}.(Its not
a creature).