New players can open the box and begin playing immediately, while experienced Magic players will find complex interactions and combo potential
As such, its much better to trigger Moraug in your second main phase
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)
Yes, it would be great if there were at least one dual land in Standard that enters untapped on turn one, to give aggro a bit more variety
Leyline of Resonance is perfect for a Feather, the Redeemed deck for instance that wants you to target your creatures with spells
you dont want to be the player taking 10-minute turns because youre deciding exactly what you want to do