Laputa

All constructs gain +1/+1
{t}: add {g},{u}, or {w} to your mana pool
{w}{t}: Gain 1 life
{u}{u}{t}: Scry 1
{g}{g}{g}{t}: Create a 1/1 animal creature
{3}{g}{u}{w}: Laputa becomes a 0/8 wall with defender and flying until end of turn