Primordial Hydra enters the battlefield with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it.
NM-Mint - $8.30
Lightly Played - $7.90
Moderately Played - $7.50
Heavily Played - $6.70
Damaged - $5.40
NM-Mint Non English - $8.30
Lightly Played Non English - $7.90
Moderately Played Non English - $7.50
Heavily Played Non English - $6.70
Damaged Non English - $5.40