Explanation: In Japan, where these cards originated from, they are straight reprints from their respective set
Collaborating together started in earnest in the opposition direction with 5E D&D books like Guildmasters Guide to Ravnica and Mythic Odysseys of Theros, which of course we covered in great detail too along with the upcoming Strixhaven: A Curriculum of Chaos
This lists cards should make you outright lose the game or give you an alternate way to lose
Additionally, when Grimgrin attacks, you get to destroy a target creature an opponent controls, and you get to add another +1/+1 counter to it
Instead, players would choose one of the two types of Pokmon cartridge (Red and Blue versions were available, each with slight variations in which Pokmon were available to catch) and, in order to complete their collection, would need to trade with other players using the Game Boy Link Cable