Shelter in Snow

{t}, Gain 1 {s} for each creature you control that doesn't have a home counter, and those creatures gain a home counter.
{3}{w}{t}, Remove up to 4 home counters from creatures you control.
When all creatures you control have home counters, this card loses all abilities and creatures with home counters get +3 +3
{s}, gain 1 life or {w}