The Gengar & Mimikyu GX (186 / 181) card can be found in the Team Up set.
Recently sold 16 times and based on those sales is worth around £46.96.
Currently, there are 5 open listings for this card on ebay.
This card sells in the range of £0.01 to £94.58, making it highly volatile.
This Rare Rainbow card was illustrated by 5ban Graphics.
The fact that it is a GX card makes it one of the more valuable cards.