Cold-Gear Golem

As an additional cost to cast Cold-Gear Golem,
pay {s}.
Whenever you cast a spell with {s} in its mana
cost, put a +1/+1 counter on Cold-Gear Golem
and it gains protection from the color of your
choice until end of turn.
{s}, Sacrifice Cold-Gear Golem: Add {s} for each
+1/+1 counter on Cold-Gear Golem.