Although the legal card pool evolved throughout the format, the widely-used community standard (and the one followed by GoatFormat.com) is to mirror the card pool used for US Nationals, SJC Seattle, and SJC Indianapolis, in which The Lost Millennium (TLM) was legal but Exarion Universe and Cybernetic Revolution (CRV) were not
No, you gain 2 memory
Note 3: There are some creatures that are 1/1s on paper, but in some ways function like a 2/1, such as Grasping Scoundrel, which probably should have counted, but didnt, because I just decided not to try to figure out all the ways they might have worded that or similar abilities
Quest with your glimmers in a race to win
Hero Saiyans like Son Goku, Son Gohan, and Son Goten take on villain Saiyans like Vegeta, Broly, and Turles