Something along the line of a scannable code on cards to verify authenticity would get the job done, but implementing the program would be costly, and it wouldn't help with all the cards that are currently in print (barring some sort of mass-exchange program, which would be even more prohibitively expensive)
Loran of the Third Path Loran of the Third Path is both one of the best artifact killers and one of the best enchantment removal options
But then you can activate it for four mana to proliferate, so after your opponents' defenses have been set up and you cannot attack further you can do that a few times to finish them off
As such, its much better to trigger Moraug in your second main phase
Any "as [this permanent] enters the battlefield" or "[this permanent] enters the battlefield with" abilities of the copied token or card will also work
no questions asked, no way to get around it