Frozen Seaway

{t}: Add {u} to your mana pool
{4}{t}: Choose any number of players and/or permanents that have counters on them, then
remove one of each kind of counter that are
already there on these players or permanents
This map is set along an Arctic coastline, where the
glacial ice sheets meet the freezing sea. A massive whirlpool can be seen in the ocean not far from the
coast