The Gardenia (149 / 156) card can be found in the Ultra Prism set.
Recently sold 17 times and based on those sales is worth around £28.38.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £19.13 to £37.63, making it quite stable.
This Rare Ultra card was illustrated by You Iribi.