My thoughts.
2, 2.5, 3, 4, 4.5, 5, 6, and 8 mm hex
T15, T20 and T25 torx
chain tool
7, 8 and 15 mm open end wrench (hydraulic hose fittings and fixed gear wheels)
Japanese Industrial Standard (JIS) cross tip screwdriver.
Probably a flat tip screwdriver
These should all be available.
Note that the screwdriver should not be Phillips but JIS. There is a difference. JIS screwdrivers will work with Phillips head screws but Phillips head screwdrivers will strip the head of JIS screws. Shimano derailleur adjustment screws are JIS.
-Tim-