xg Protean Hydra all Printings and Prices

protean hydra enters the battlefield with x +1/+1 counters on it.

if damage would be dealt to protean hydra, prevent that damage and remove that many +1/+1 counters from it.

whenever a +1/+1 counter is removed from protean hydra, put two +1/+1 counters on it at the beginning of the next end step.