Knight of Pentalces, yes.
When I'm wishful thinking do I notice it or know it?
4 of Wands
No, it has become part of you psychological *foundation* - like the four corners of a house it has become somewhat invisible (or perhaps I should say taken for granted/unquestioned)
QU: Would watching and waiting be a good idea ?
Two of Cups
No, the truth will be closer to what you believe ....
QU: Will tomorrow be a good day for me ??
I think deception can come in various guises. If you are unaware of your wishful thinking on a conscious level then I'm not sure you can *deceive yourself* in the way you might mean here ?