ash pokemon cards and Pikachu Pokémon Card?! 😍 #pokemoncards #pokemonpromo #ashketchum #pikachu #pokemon Psa 10 Gem Mint Pikachu

While the deckbuilding restriction wont let you put every multicolored card you might want into your deck, Magics card pool is large enough to make it trivial

Incapsula incident ID: 1553000690298233402-557057795263893839

Essentially, if you have a full party with all four of these on the board, you can pay one white, one blue, and one black mana to give the Warrior lifelink, deathtouch, and make him unblockable (deathtouch and unblockable at the same time has no real use, but thats still OP to think about)

The exclusivity would be necessary, meaning (a) followers only or (b) veteran Tumblr users or an increasingly strict set of judgement guidelines

Just my two cents as someone who's been collecting for years