mentalism? well, I'm an all card guy (trying to get into other magic though). So for me. two easy things:
force a card. reveal in any way my imagination wants. I usually have different predictions for different forces: one card drawn on my arm. One card in my pocket. A written prediction. An envelope placed under a chair ahead of time. (The latter is when I'm at a party and I know I'll be performing while others lounge)
invisible deck. tried and true
as for the whole gimmick setback of the trick. I have a normal deck and have them shuffle. put it in pocket. say one card will be face up. take out invisible deck from other pocket. perform. they freak out. i put it back in pocket. say that's enough magic for now (usually lying). they say cmon or please do more. i say, ok ill do a few more. take out normal deck. havent been caught.
force a card. reveal in any way my imagination wants. I usually have different predictions for different forces: one card drawn on my arm. One card in my pocket. A written prediction. An envelope placed under a chair ahead of time. (The latter is when I'm at a party and I know I'll be performing while others lounge)
invisible deck. tried and true
as for the whole gimmick setback of the trick. I have a normal deck and have them shuffle. put it in pocket. say one card will be face up. take out invisible deck from other pocket. perform. they freak out. i put it back in pocket. say that's enough magic for now (usually lying). they say cmon or please do more. i say, ok ill do a few more. take out normal deck. havent been caught.