mtg split cards play both MB2 There (split card) Test Card Split card - MTG Wiki

It takes the stress out of complex mana bases so you can focus on playing your spells instead of worrying about your land types

Learn from the Past is a fine option if you dont want to play any of the colorless cards available to you

I dont mean to malign their designs, but I wouldnt be surprised if fairly little playtesting went into the creation of cards that the vast majority of players wont ever know exist, much less get their hands on

Other fans have expressed this sentiment too, and Rosewater responded to one of them on his Blogatog blog

Magic has long battled with ways to make the game feel more collectible without taking cards away from those who just want to play