While its nice to honor mechanical continuity for entrenched players, new players did not come with the mechanical baggage that rebels had in Mercadian Masques
The plane of Dominaria was the birthplace of the shadow mechanic, so maybe well see shadow again on a return visit, but its a fairly small possibility because R&D avoids putting parasitic mechanics (i.e., mechanics that only work with themselves) in modern sets
I think I might be looking at Electro, Assaulting Battery a little harshly, because it can definitely do some work, but it simply looks like it needs you to built around it to a greater degree than youre prepared to do in a Limited environment
We are not taking a ton of extra turns, while drawing piles of cards each turn
On marketplaces, the difference between Holofoil and Reverse Holofoil is usually spelled out