When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library.
Genesis Hydra enters the battlefield with X +1/+1 counters on it.
Near Mint - $0.40
Lightly Played - $0.40
Played - $0.30
Heavily Played - $0.30
Damaged - $0.20
Near Mint Non-English - $0.40
Lightly Played Non-English - $0.40
Played Non-English - $0.30
Heavily Played Non-English - $0.30
Damaged Non-English - $0.20