Inkay is card #93 of 162 in BREAKthrough (2015), a Common illustrated by Kouki Saitou. At about $0.33 it is the #163 most valuable card in the set. In a BREAKthrough booster it turns up about once every 10 packs. It is one of 20 Inkay cards printed so far.
2013Kalos Starter Set
2015Roaring Skies
2017Burning Shadows
2019Unbroken Bonds
2020Champion's Path
2022Lost Origin
2023Obsidian Flames
2026Delta Reign

















See the full BREAKthrough card list
An ungraded Inkay from BREAKthrough sells for about $0.33. A PSA 10 is worth more, roughly $1.65 by our estimate, and a PSA 9 around $0.76.
It is a Common, and it shows up about once every 10 BREAKthrough packs.
Kouki Saitou 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.