That heuristic, whether you want to think of it as suits of cards or Hogwarts houses, dictates not only whether spells are, say, more defensive or more aggressive, more telepathic or more physical, but also the personalities of the characters wielding the magic and, to an extent, those of the players, who build their decks around one or two, and occasionally even more, of those colors
While the card itself is basically the same as its variants, there are a few differences
Gray Merchant will drain a bunch of life from your opponents
But this should give you an idea of how to find the best cards for your deck and decide what colors you want to play
8 Cleffa Provides Immense Draw Power An Incredible Start to Any Match In a format without Lumineon V and Rotom V, players can often struggle to find their crucial supporter cards and get their plays started