Originally Posted by Fat Drifblim
I feel Gem is necessary for HP Flying to work well, Tbolt usually grabs the same 2HKOs that non-Gem HP Flying does. HP Ice gives coverage against Dragons, who would be major pains to fight without it, HP Flying just wouldn't do too much. So I would say HP Ice.
I'm a bit surprised to hear that. The analysis for the Standard Support set lists HP Flying as the primary option, and the Rain Dance Support set doesn't list HP Ice at all. Flying Gem isn't mentioned on either.
Is HP Flying the better option on a rain team?