Trevenant is card #94 of 236 in Cosmic Eclipse (2019), a Rare illustrated by Shin Nagasawa. At about $0.47 it is the #225 most valuable card in the set. In a Cosmic Eclipse booster it turns up about once every 65 packs. It is one of 21 Trevenant cards printed so far.
2013XY Black Star Promos
2015Primal Clash
2016BREAKpoint
2019Cosmic Eclipse
2020Rebel Clash
2022Lost Origin
2023Obsidian Flames
2026Ascended Heroes

















See the full Cosmic Eclipse card list
An ungraded Trevenant from Cosmic Eclipse sells for about $0.47. A PSA 10 is worth more, roughly $2.35 by our estimate, and a PSA 9 around $1.08.
It is a Rare, and it shows up about once every 65 Cosmic Eclipse packs.
Shin Nagasawa drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Cosmic Eclipse 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.