first sentence: ADV needs to be capitalized
set comments: 'Spikes, Taunt and Explosion' is missing a serial comma, 'breaking Focus Sashes on Pokemon like Scolipede' you mean 'such as'
additional comments: i don't get this change - 'This is because one of the key points to using Glalie remembering that it has to play more aggressively than other Spikes users, setting Spikes right off the bat, and then exploding...' ??
other options: hail and rain all need to be decapped
dream world: 'Dream World' is two words, written as such.
also, replace all curly apostrophes with straight ones (’ vs ')