As 25th anniversary celebrations for the Yu-Gi-Oh
Given the right God in Journey into Nyx, I can see this making a splash in Standard this spring
Unlike Pokgear 3.0 SSH 174 which looks at the top 7 cards of the deck to look for only Supporter-type cards , Trainers' Mail ROS 92 takes any Trainer card, be it Supporter, Stadium, Item or Tool, making it more versatile
The answer is that you are guaranteed to open not only four rares / mythics each pack but also four special printings, with each collector booster pack offering one foil-etched rare or mythic, one alt-frame rare or mythic, one sketch or borderless rare or mythic, and one extended-art rare
Interactive elements : Consider adding interactive elements like a magnifying glass, information plaques or a small booklet describing the history and significance of your collection
Found (very rarely) within the Shadowless variation of the Base set Brushfire theme deck