With the inclusion of the Radiation mechanic and Rad Counters in Universes Beyond: Fallout, MTG players now have a new form of deadly Counter to watch out for
My one reservation about Sceptre of Eternal Glory is that in more traditional environments its most likely just to be played in blue or green decks, which already have a way of leaning towards mana and stuff decks anyway
Marik Yugi and Marik's final duel was fine, but by this point in the arc, it had been proven that Marik wasn't all that good of a duelist
Featured in the lineup are Eevee, Mimikyu, Rowlett, Psyduck (my personal favorite here) and Pikachu
It maxes out at a 700 ATK boost, the Attribute changing has a very niche use considering the current versatility of the monsters, and the last effect is only good if you have the searcher in the GY, as you want to keep the other Spells in your GY to banish
As an example, lets take a look at the Charizard- GX from Hidden Fates