Tower first and Death after?
I'd be advising them not to get out of bed that morning. Seriously. It might be a good idea to have a suitcase packed and keep a low profile.
Death first and Tower after?
You put too much faith in the solidity of the status quo - sooner or later you'll learn that, in the immortal words of the poet Laurence Binyon, "Nothing is certain, only the certain Spring." Learn to accept change, even if you cannot learn to like it.
Someone once asked within earshot of me: what would happen if The Empress and the High Priestess were flatmates (or in American roommates)? I know how I think these two very different female archetypes would react if they were thoroughly modern women and had to share space: what do other people think?