Well, I love the figure with or without the super mode parts. You could try asking around here if anybody has the missing parts
Eiji might have a chance if Ankh's arm starts acting up again, but seeing as how Dr. Maki might interfere, I'd say they might tie resulting in Eiji losing purple medals and Ankh losing some of his medals
The level of dickery here would depend entirely on which Sentinel Prime you are referring to: Animated or DoTM? :p