Greninja ex is card #41 of 142 in Stellar Crown (2024), a Double Rare. At about $1.43 it is the #37 most valuable card in the set. In a Stellar Crown booster it turns up about once every 81 packs. It is one of 36 Greninja cards printed so far.
2013XY Black Star Promos
2014XY
2017SM Black Star Promos
2018Forbidden Light
2021Fusion Strike
2022Astral Radiance
2024Twilight Masquerade
2026Chaos Rising

















See the full Stellar Crown card list
An ungraded Greninja ex from Stellar Crown sells for about $1.43. A PSA 10 is worth more, roughly $5.00 by our estimate, and a PSA 9 around $2.86.
It is a Double Rare, and it shows up about once every 81 Stellar Crown packs.
Yes, as a digital simulator. Holobrook lets you open Stellar Crown 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.