Taillow is card #102 of 146 in XY (2014), a Common illustrated by sui. At about $0.71 it is the #119 most valuable card in the set. In a XY booster it turns up about once every 9 packs. It is one of 13 Taillow cards printed so far.
2003Ruby & Sapphire
2005Emerald
2008Legends Awakened
2012Boundaries Crossed
2014XY
2015Roaring Skies
2020Vivid Voltage
2025Destined Rivals

















An ungraded Taillow from XY sells for about $0.71. A PSA 10 is worth more, roughly $3.55 by our estimate, and a PSA 9 around $1.63.
It is a Common, and it shows up about once every 9 XY packs.
sui drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open XY 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.