When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with converted mana cost 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 - $0.95
Lightly Played - $0.90
Moderately Played - $0.76
Heavily Played - $0.57
Damaged - $0.47
Near Mint Non-English - $0.95
Lightly Played Non-English - $0.90
Moderately Played Non-English - $0.76
Heavily Played Non-English - $0.57
Damaged Non-English - $0.47