Even one evasive or hexproof creature turns this into a real hassle for your opponents, to say nothing of double strike
Also, many artifacts with craft do something when they enter the battlefield, and they transform into something more useful later like a strong vehicle, equipment, or artifact creature
That might have been right at some point, but I was never a huge fan of it and it has only become worse over time
In addition, those copies are 4/4 Black Zombies with Vigilance meaning you have solid offensive and defensive capabilities
Magic: the Gathering has been going from strength to strength with its Universes Beyond series of late, including the knockout Lord of the Rings set
Sacrifice a creature: Untap this creature