Riolu is card #SV21 of 94 in Hidden Fates Shiny Vault (2019), a Rare Shiny illustrated by Misa Tsutsui. At about $12.02 it is the #48 most valuable card in the set. In a Hidden Fates Shiny Vault booster it turns up about once every 117 packs. It is one of 32 Riolu cards printed so far.
2007Diamond & Pearl
2009Platinum
2012Next Destinies
2016Fates Collide
2018Ultra Prism
2019Unified Minds
2020Vivid Voltage
2024Paldean Fates

















See the full Hidden Fates Shiny Vault card list
An ungraded Riolu from Hidden Fates Shiny Vault sells for about $12.02. A PSA 10 is worth more, roughly $60.10 by our estimate, and a PSA 9 around $27.65.
It is a Rare Shiny, and it shows up about once every 117 Hidden Fates Shiny Vault packs.
Misa Tsutsui drew the art for this card.