According to a recent Reddit poll on the subject, the majority of votes landed on glossy sleeves based on pros and cons of visibility, shuffling, quality and texture
(They can't be blocked as long as defending player controls an Island.) Creature - Horror Squid Toothy, Imaginary Friend Partner with Pir, Imaginative Rascal (When this creature enters, target player may put Pir into their hand from their library, then shuffle.) Whenever you draw a card, put a +1/+1 counter on Toothy
The news that Russian WPN (Wizards Play Network) stores will be receiving English-language promotional cards (which are often given as prizes for events at game stores) may actually be somewhat good news for the local scene
The set is scheduled to be released in just a few weeks on May 12, with official reveals set to begin at the start of the month
A quick look tells us that any value in those slots is negligible so this will have minimal impact on our final numbers