If my opponent uses Mime Jr's "Mimed Games" attack and they have already used their VSTAR Power for the game, what happens if I choose a VSTAR attack to be copied?
Since they've already used their VSTAR Power you may not choose that attack, you must select a different attack.
Source: TPCi Rules Team (2024-02-01)

Relevant cards

Note: All applicable cards may not be listed below.
SV45_31
SV45_31