1) DR is very strong start game with his fast creeping and skeleton army, and if coming good TR by hum,its hard to fend off with DH.
also DR can silence their casters, but mainly its cause strong early fight, which is on EI, mby TS,TR (many small creepcamps with many potentional skellies)
2) Panda vs hum,cause he is nice meetshield vs rifles, and best aoe in game, so he pwnz everyone except spellbreikers.
3) Naga can help to kill some footies at t2, and also take out am out of fight,if he isnt ceraful, but vs mass rifles/ spellbreikers she isnt that good