I have an effect that requires the use of a a single signed red backed card in a blue deck. (its face up ambitous card routine)
However, the single red back is really blue as well and red/black double backer is used in the overall effect.
I need a good reason to change the red card blue so I can hand it out at the end.
I have played with having a prediction card in my pocket that is blue and showing that I predicted card AND it has a signature.
In Strong Magic, Darwin talks about cleaning up too much and using possible effects just because you can. But I really want to hand out the signed card as a souvinir.
What can I do.