Gunslinger hunters are good for taking out oracles, minotaurs, etc... Bladedancer isn't as great, but even they have uses. I think every class and subclass is a viable option. Striker titans can take elite minotaurs down to 33% health (from full health/shields) with their super if they do it right (aftermath or shockwave). Voidwalker warlocks can do some work with their super as well. Defender titan and sunsingers have obvious benefits...