pokemon trading card game history TCG - Special Episode 1 - Set Sail for TCG Island! One of the first trophies

It's similar to another card, Shock, that has this same ability

If Bone Devourer has +1/+1 counters put on it, and then enough -1/-1 counters are put on it to cause its toughness to be 0, X is equal to the number of +1/+1 counters it had at the time those -1/-1 counters were put on it

Since Poisoned and Burned use markers, those dont affect other Special Conditions

(2024-07-26) If your untap step is somehow skipped as your next turn begins, your phased-out permanents won't phase in until the next untap step you actually have, but you'll no longer have protection from everything and your life total can change again

This Rare Holo card is numbered 4/62 in the set