Mysterious Fossil is card #85 of 108 in Power Keepers (2007), a Common illustrated by Ryo Ueda. At about $4.89 it is the #99 most valuable card in the set. In a Power Keepers booster it turns up about once every 6 packs.


















See the full Power Keepers card list
An ungraded Mysterious Fossil from Power Keepers sells for about $4.89. A PSA 10 is worth more, roughly $39.12 by our estimate, and a PSA 9 around $13.69.
It is a Common, and it shows up about once every 6 Power Keepers packs.
Ryo Ueda drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Power Keepers booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.