Lhem Ngu, the Waters Above

Flying
Whenever a spell is cast, Lhem Ngu becomes its colors.
Blizzard — As long as Lhem Ngu is white, creatures enter tapped with a stun counter.
Hurricane — As long as Lhem Ngu is blue, each opponent can't draw more than one card each turn.
Hailstorm — As long as Lhem Ngu is black, permanents and players have ward {u}.
Thunderstorm {line} As long as Lhem Ngu is red, nonblue spells cost {2} more to cast.
Monsoon {line} As long as Lhem Ngu is green,