For a two-drop, it does get slightly more expensive, but its only one extra mana
The adhesive they used made the cards heavier than their genuine counterparts
This basically boils down to Jund and Esper looking much less consistent and put together compared to the other two decks, although this might be (at least in part) because it's easier to build a cohesive artifact- or enchantment-themed deck than more abstract themes like "the top of your deck matters" or "lands matter." Here's a quick pros-and-cons list on the four decks
A Japanese card is 59.9 86.1mm roughly 3mm narrower and 2mm shorter
Licia is decidedly lackluster, Mathas, Fiend Seeker isnt really about Vampires, and so without Edgar Markov, youre left with trying to Rule 0 Edgar & Olivia from Crimson Vow as partners
Your kindred stuff of Demons, Horrors and Nightsmares cost one fewer mana to cast, a bit of ramp here