Serperior is card #13 of 149 in Boundaries Crossed (2012), a Rare Holo illustrated by Mizue. At about $5.40 it is the #51 most valuable card in the set. In a Boundaries Crossed booster it turns up about once every 68 packs. It is one of 18 Serperior cards printed so far.
2011BW Black Star Promos
2012Dragons Exalted
2013Legendary Treasures
2016Fates Collide
2022Silver Tempest
2025Black Bolt
2026Perfect Order

















See the full Boundaries Crossed card list
An ungraded Serperior from Boundaries Crossed sells for about $5.40. A PSA 10 is worth more, roughly $43.20 by our estimate, and a PSA 9 around $15.12.
It is a Rare Holo, and it shows up about once every 68 Boundaries Crossed packs.
Mizue drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Boundaries Crossed 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.