Tidal Flats

this land enters the battlefield tapped. then each player draws a card.
{t} or have an opponent draw a card: add {c}.
{t}, each player draws a card: add {u} or {w}.
{2}{w}{u}: this land becomes a 3/6 white and blue creature with first strike and "{w/u}: this creature gets +1/+1 until end of turn".
on your upkeep, put a [T] (tide) counter on this land. if this land has 1 [T], it has {t}: add {w}{w}. if it has 2 [T], it has {t}:{u}{u}. if it has 3 [T] this is a 6/7 blue and white creature with fl