Snowed In Town

Snowed In Town enters the battlefield with a snow counter on it.
{t}: Add {1} to your mana pool. If there are no snow counters on Snowed In Town, add {s} to your mana pool instead.
{1}{u}{w}{g}: Remove a snow counter from Snowed In Town. You may spend {s} as if it were mana of any color to activate this ability.
{s}{s}{s}: Draw a card. Activate this ability only if there are no snow counters on Snowed In Town.