Sentret is card #104 of 132 in Secret Wonders (2007), a Common illustrated by Midori Harada. At about $2.30 it is the #106 most valuable card in the set. In a Secret Wonders booster it turns up about once every 10 packs. It is one of 11 Sentret cards printed so far.
2000Neo Genesis
2001Neo Discovery
2004Team Rocket Returns
2006Legend Maker
2007Secret Wonders
2008POP Series 7
2010HeartGold & SoulSilver
2020Darkness Ablaze

















See the full Secret Wonders card list
An ungraded Sentret from Secret Wonders sells for about $2.30. A PSA 10 is worth more, roughly $18.40 by our estimate, and a PSA 9 around $6.44.
It is a Common, and it shows up about once every 10 Secret Wonders packs.
Midori Harada drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Secret Wonders 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.