Whirlpool

Whirlpool comes into play with X mana
counters on it, then draw 1 card.
{3} or {u}{u}: Add 1 mana counter to whirlpool.
{x}: Remove X mana counters from whirlpool,
add {c} to your mana pool per mana counter
removed from whirlpool.
"Oh, that kraken is coming... I can feel it."