hidden in zendikar

{t}: X mana of any one color, where X is half the
number of creatures you control, rounded down.
{2}{t}: create two colorless hedron tokens. (they
have "{t}, sacrifice this artifact and another hedron:
scry 1, then draw a card)
sacrifice three hedrons: hidden in zendikar
becomes a 6/6 colorless creature until end of turn.
it's still a land.