The Japanese versions were released September 2015, about 5 months before the English Generations set
Much debate over his names origin exists, but it is chiefly speculated to derive from Aesma and Daeva, Avestan for Wrath and Demon/Divine Being, so Demon of Wrath, which befits his abusive and stalking nature in The Book of Tobit
Worst case, you got to use them for several years and theyre still worth $70 each
I like that the flavour text is a stark contrast -- celebrating the innovation of technology as opposed to being horrified at the perversion of nature
If you can get the 1/1s things look way better, because then you start adding to the board and making it tough for your opponent to attack, because if you can block with those 1/1s your opponent is going to deal with an untapped Watcher that will start stunning their stuff