While at first glance, Black and White may appear to be two of the most polar opposite colors in all of Magic: The Gathering, when working in conjunction, the colors bring a lot of power to the table
It digs your towards combo pieces if youre a UR Splinter Twin deck, it puts artifacts in the graveyard for Goblin Welder or Daretti, Scrap Savant, it pitches fatties to be reanimated, it creates 1/1s which we know have a host of uses
Betor, Ancestor's Voice Two generic, one white, one black, one green legendary creature - Spirit Dragon - 3/5 - Mythic Rare Flying, lifelink At the beginning of your end step, put a number of +1/+1 counters on up to one other target creature you control equal to the amount of life you gained this turn
That being said, however, during their conquest of the multiverse, they did leave plenty behind