Well you're playing MB.

What you can do is to take our Mirror user ie. Kurenai, Ningendo or Fire Main out first.

Change your standard to assassin with ROW.

That means at Round 1 use your MM to dmg that unit to make it lowest HP. Then your main will hit that unit, and hopefully he can start off a combo to make easier.

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Also i would suggest to have another buff ninja such as iruka to replace BS Kakashi. He would buff and shield your MB, MM and Iruka himself.