Nintendo added the Game Boy collection to the service in February with Tetris, Super Mario Land 2: 6 Golden Coins, The Legend of Zelda: Link's Awakening DX, Gargoyle's Quest, Game & Watch Gallery 3, Alone in the Dark: The New Nightmare, Metroid II: Return of Samus, Wario Land 3, and Kirby's Dream Land included at launch
The underlying idea of the game is to use the 5 types of elemental magic (represented in-game by 5 colors) to eliminate enemy creatures and reduce their life points to zero
that's the beauty of the Pokemon TCG's unpredictability
Other cards on the list are hyper-efficient and need either a ban, a reprint, or a conversation with your playgroup about Rule 0 or proxies
all monsters your opponent currently controls lose 1000 ATK for each material detached, until the end of this turn