Tranquill is card #81 of 98 in Emerging Powers (2011), a Uncommon illustrated by Midori Harada. At about $0.75 it is the #88 most valuable card in the set. In an Emerging Powers booster it turns up about once every 9 packs. It is one of 10 Tranquill cards printed so far.
2011Black & White
2012Boundaries Crossed
2015Roaring Skies
2019Unified Minds
2020Rebel Clash
2022Pokémon GO
2024Temporal Forces
2025Black Bolt

















See the full Emerging Powers card list
An ungraded Tranquill from Emerging Powers sells for about $0.75. A PSA 10 is worth more, roughly $6.00 by our estimate, and a PSA 9 around $2.10.
It is a Uncommon, and it shows up about once every 9 Emerging Powers packs.
Midori Harada drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Emerging Powers 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.