The mana move isn't visible for either night.
What if he also has some kind of status check? Then it turns out that the maniac visited both Morny and Reinhardt.
In general, maybe Eva really checked both me and him today, and she has no reason to be silent about the results. Then someone from a hidden town role or even the mafia visited both me and Revan. I wouldn't be surprised if there's a thief among the hidden townies who visited Revan today.
Who is this? :o