DO you remember how much did it take to change the effect of Cyber Style and a Trick up the Sleeve ???
MORE THAN 3 MONTHS.
Pfff, they want you to play this deck (I'm so glad it doesn't have any URs) they won't touch it until they want to change the meta. (3 months probably) Cheers.
I think this is what DKayed himself said in a stream. Usually, all skills take a lot of time to be nerfed. Look at how much time it took to modify Kaiba Corp Bling and trick up the sleeve.
It actually may be even faster than 3 months this time, because they already take precaution with Masked Tribute preventing you from summoning anything else, meaning they clearly do NOT want a repeat of Cyber Style. Yet people still find a way to abuse it without Des Gardius anyway.
Masked tribute will find it way on nerf, just like Cyber style in spite of everyone say. A little text changes included "this card can't be tributed except for Masked Beast des Gardius" will make it on the same level as cyber style. Dont be too positive about it. They nerf a skill once many people use it in other way than it was intended in the first place.
Labyrinth wall can only be used once per duel, and shuffling 2 card from your deck on the top of it. Masked tribute can be used twice per duel, and by only returning 1 card. Seems like a huge gap between this skill and masked tribute