Mega Greninja ex is card #100 of 86 in Chaos Rising (2026), a Ultra Rare illustrated by takuyoa. In a Chaos Rising booster it turns up about once every 215 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 Chaos Rising card list
It is a Ultra Rare, and it shows up about once every 215 Chaos Rising packs.
takuyoa drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Chaos Rising 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.