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 - $1.700
Lightly Played - $1.400
Moderately Played - $1.200
Heavily Played - $1.000
Damaged - $900
Near Mint Spanish - $1.700
Lightly Played Spanish - $1.400
Moderately Played Spanish - $1.200
Heavily Played Spanish - $1.000
Damaged Spanish - $900