his mystery isn't undogdable, so u can play with edo minato to make the opponent having a hard time of knowing when to mys...

kushina is always the choice for pvp, the fact that when she got hit, she reduce cd makes that +2 cd increase somewhat useless

or you can play the risky route and use an interrupt ninja at pos1 like kakuzu grudge, provided that you know exactly when he will mys

even more risky, a control ninja at pos 1 (this means your carry is at pos 2) like edo ita, kurenai summer, ibiki, etc... or a barrier ninja at pos 1 like kisame samehada, obito 5ks

or just have fun with him, use your own kimimaro halloween at pos 1 and shut the other guy down

if you don't have those options, sadly wind main's Impletus is the only choice of using mystery at round 2, though u need to have protection/immunity on her, or else she can get controlled quite easily