Card text
No reference price for this printing yet: not enough stores to make an average.
Run a comparison: we query the stores live, it may have arrived this morning.
Official rulings
3 rulings · in English, source ScryfallYes, this card’s base power/toughness is -1/-1. If it has five +1/+1 counters on it, it’s a 4/4 creature.
2004-12-01 · Wizards of the CoastIf Spinal Parasite is a 1/1 because it has two +1/+1 counters on it, you can remove both counters to pay for its activated ability.
2004-12-01 · Wizards of the CoastAny permanent is a legal target for Spinal Parasite’s ability, not just one with a counter on it. The player who controls Spinal Parasite chooses which counter to remove from the targeted permanent.
2004-12-01 · Wizards of the CoastAll printings