Sentence:  All three of these are blue-<WSD>hosers</WSD>. Every color in Magic has cards specifically designed to hurt it. Against many of the <WSD>hosers</WSD>, you can't really do much; the best strategy is simply not to rely too much on a single color. 
Meaning of the word marked with <WSD> tags:  One that hoses, i.e. hurts (someone) badly.