Every Rock Guard card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Rock Guard card is worth
The most valuable Rock Guard on this list is Rock Guard (Patrick Martinez) from World Championship Decks at $3.89£2.93€3.43, and the 2 priced copies across 2 sets are worth $7£5€6 together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Rock Guard is printed in Japanese as well: 1 cards across 1 sets, the most valuable of them Rock Guard from Spiral Force at $10.99£8.27€9.68. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Rock Guard sold for $49.90£37.56€43.95.
If you are trying to identify which Rock Guard you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: World Championship Decks, Plasma Freeze.