If Garbodor's "Garbotoxin" is present when Shedinja with the "Empty Shell" Ability is KO'd, do you take a prize?
Yes, Empty Shell is turned off by Garbotoxin.
Source: PUI Rules Team (2005-06-23), Dragons Exalted FAQ (2012-08-23) Dragons Exalted FAQ (2012-08-23)

Relevant cards

Note: All applicable cards may not be listed below.
EX8_14