standard euro card sleeves Mayday Premium (50) yes they do and they are all about protection Mini Euro Card Sleeves (45x68mm)

It's a secret that this guy himself is the strongest Artorius' natural enemy

Looks like a downside, wasting turns

Dark Magic Barrier - Mirror Force Normal Trap [1] When your opponent's monster declares an attack or when your opponent's monster effect, that would destroy a monster(s) on the field is activated while you control "Gold Sarcophagus of Light": Destroy all attack position monsters your opponent controls, then if you control "Dark Magician", inflict 500 damage to your opponent for each destroyed monster, also for the rest of the turn when each monster you control, that mentions "Gold Sarcophagus of Light", would be destroyed by battle or card effect, it is not destroyed

This card from The Best of XY [XY], the greatest hits set of Gen 6, features a Full Art illustration which makes use of an angle which plays up the aforementioned fanservice element