Forum:Generic verifiction rule?

Me and a few friends seem to be in conflict about a rule  thats  universal in every CCG i have ever played, aka if you search your deck for anything specific(graveyards too) that you must verify with your  opponent you  picked the  correct  card for  said effect.

example- magician of faith does not say  show  the magic  card in the graveyard so said opponent  can cheat and grab a trap card instead.

am i incorrect thinking  there no  such generic verification rules in this  game?