Shorecrasher Elemental
{U}{U}{U}
Creature -- Elemental
3/3
{U}: Exile ~this~, then return it to the battlefield face down under its owner's control.
{1}: ~this~ gets +1/-1 or -1/+1 until end of turn.
Megamorph {4}{U} (You may cast ~this~ face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)