Arthris, Gaurdian Of Heaven

First Strike, Vigilance, Flying, Hexproof, Indestructible
Arthris enters the battlefield tapped. Whenever Arthris
deals combat damage to target
opponent, create that many {s} counters.
{t}{x}{x}*{s}: You gain {x} life where {x} is the
number of
snow counters you pay.
{s}{s}{s}{s}{s}{s}{s}{s}{s}{s}: Arthris
gains immortality.