Here is what I came up with. These are just my opinions and please take them or leave them as you wish.

Overall, these look great.

Marauder's Map

I would limit this to the person who activates it. Yes, it would take away from the ‘coolness’ of it. Alternatively, maybe spend a point of Aether to have anyone use it who is viewing the map. There is a comparable Angel power called ‘Hallowed Ground’ I think. That one limits it to the original building construction. Example: Someone builds a 3 bedroom house and 3 years later adds on another...