Once you begin to cast a legendary sorcery, losing control of your legendary creatures and planeswalkers won't affect that spell
Trinket Mage and Tribute Mage Trinket Mage has been a trusted Swiss Army knife in my blue Commander decks for over a decade, and I dont see that changing anytime soon
But the gist of things is that in the plane of Dominaria, two powerful Planeswalker brothers called Urza and Mishra (who were name-dropped all the way back in the base set) waged a war with the powerful magical artifacts they found in a conflict called the Brothers' War, lasting for years
Those decks often set up for many turns by simply ramping more lands into play, and Iridescent Vinelasher is both an alternate win-con and an easy way to set up the magic number of 18 life that Valakut needs to combo kill a player in Modern
Karlach will only provide you with an extra combat phase after the first combat each turn
Stylistically, UAONO leans classy rather than flashy, so it blends in on a shelf or coffee table nice if your gaming space is also your living room
