LB
No just major arcana.
When you look at them, your subconscious mind knows exactly what symbols mean because the subconscious speaks the language of symbology.
Many positive effects. A fun one is I know what people are going to say before they say it and no one in the room is talking at the moment.
Go to Builders of the Adytum website for more info. Been signed up in their program for years and my only regret is that I took it more seriously earlier on.