The front cover lights up, plays a few notes of a song, and then opens up after Martin finishes the song on his guitar
Laquatuss Champion no longer qualifies, since Russian has been an official Magic language since 9th Edition, but the other living languages of Odyssey block promos (Arabic for Stone-Tongue Basilisk and Hebrew for Glory) have never been official languages of Magic
Coming later, in July, MTG Arena will be getting Alchemy Horizons Baldur's Gate, which will bring "hundreds of new cards" to MTG Arena, including all the usual cosmetics and accessories you'd expect
$25 Upgrade +1/+1 Counters is a very deep archetype so there's more sweet upgrade options that I could ever hope to cover, but I selected some of my favorites: for protection I've added Bulwark Ox and Mutational Advantage, a bunch of proliferates with Metastatic Evangel and Dreamtide Whale being the two best, ramp got a massive upgrade with Astral Cornucopia / Kami of Whispered Hopes / Purestrain Genestealer / Summon: Fenrir, and so on
