Shore of Polluted Tides

At the beginning of your upkeep put one seasonal
counter (SC) on Shore of Polluted Tides. You
can put only one SC on your turn on that card.
If there is one SC on Shore of Polluted Tides {t} to add {u} to your mana pool.
If there are two SC on Shore of Polluted Tides {t} to add {b} to your mana pool.
When you put third SC on Shore of Polluted
Tides remove all SC from that card. Don`t
put any more SC on that card.
It have: {t} to add {u} or {b} to your mana pool.