Brook, After-Life Musician

Soul Solid (Whenever this creature deals combat
damage to a creature, that creature receives X Frozen
counters equal to the power of this creature. A creature
with a Frozen counter has "At the beginning of your
upkeep, remove a Frozen counter from it. For as long
as this creature has a Frozen counter it has base
power and toughness 0/3 and gains Defender".)
Snowwalk