Goldeen is card #27 of 162 in BREAKthrough (2015), a Common illustrated by Mahou. At about $0.59 it is the #127 most valuable card in the set. In a BREAKthrough booster it turns up about once every 10 packs. It is one of 20 Goldeen cards printed so far.
1999Jungle
2001Neo Revelation
2003Aquapolis
2007Diamond & Pearl
2015BREAKthrough
2020Sword & Shield
2024Twilight Masquerade
2026Pitch Black

















See the full BREAKthrough card list
An ungraded Goldeen from BREAKthrough sells for about $0.59. A PSA 10 is worth more, roughly $2.95 by our estimate, and a PSA 9 around $1.36.
It is a Common, and it shows up about once every 10 BREAKthrough packs.
Mahou drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open BREAKthrough 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.