Sentret is card #81 of 106 in Flashfire (2014), a Common illustrated by Mizue. At about $0.51 it is the #97 most valuable card in the set. In a Flashfire booster it turns up about once every 6 packs. It is one of 11 Sentret cards printed so far.
2000Neo Genesis
2001Neo Discovery
2004Team Rocket Returns
2006Legend Maker
2008POP Series 7
2010HeartGold & SoulSilver
2014Flashfire
2020Darkness Ablaze

















See the full Flashfire card list
An ungraded Sentret from Flashfire sells for about $0.51. A PSA 10 is worth more, roughly $2.55 by our estimate, and a PSA 9 around $1.17.
It is a Common, and it shows up about once every 6 Flashfire packs.
Mizue drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Flashfire 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.