Dedenne is card #142 of 214 in Lost Thunder (2018), a Uncommon illustrated by Megumi Mizutani. At about $19.15 it is the #34 most valuable card in the set. In a Lost Thunder booster it turns up about once every 19 packs. It is one of 28 Dedenne cards printed so far.
2014Furious Fists
2015BREAKthrough
2018Forbidden Light
2019Unbroken Bonds
2021Shining Fates Shiny Vault
2022Brilliant Stars
2024Paldean Fates
2026Perfect Order

















See the full Lost Thunder card list
An ungraded Dedenne from Lost Thunder sells for about $19.15. A PSA 10 is worth more, roughly $95.75 by our estimate, and a PSA 9 around $44.04.
It is a Uncommon, and it shows up about once every 19 Lost Thunder packs.
Megumi Mizutani drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Lost Thunder 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.