Standard's list of banned cards on MTGA is exactly the same with the exception above
Mimic Vat will make two tokens as well (though note they both will have to be sacrificed at the end of the turn, because it's still Mimic Vat making the tokens)
Before Wizards of the Coast released the Alpha set, the game went through multiple test phases, and the Gamma Playtest cards were among the most refined
Pretty easy to spot because of the labeling, but pretty rare
Boldore [Reverse Holo] #51 Pokemon Emerging Powers Keep track of your collection value over time
Elite Fourum CGC Changed Their Grading Scale & Label Grading cgc, news ChaChaMatchaMochi June 20, 2023, 1:04pm 1 Source: Sports and non-sports graded together CGC and their partner company CSG (for sports) are now becoming a single entity