- Can I apply Jirachi's "Time Hollow" attack to a Stage 2 Pokemon and also the Stage 1 underneath it?
- No. You only remove the highest stage evolution from the Pokemon you choose at the start of the attack. You cannot choose the same Pokemon more than once in order to remove additional Stages.
Source:
Unleashed FAQ (2010-05-13), PUI Rules Team (2010-05-13)