It wasn't that long ago that precons would need several swaps to function, and that doesn't even include the mana base
As incredibly iconic collectibles from the crossover IP, of course these Bobbleheads are going to make an appearance in MTG
(2020-01-24) Hybrid mana symbols, monocolored hybrid mana symbols, and Phyrexian mana symbols do count toward your devotion to their color(s)
The same goes for players of community-created formats like Pauper , Pre Modern , or Commander , though in their case the card pool tends to be more niche, defined by era, colors, or mechanics
Teval, the Balanced Scale One generic, one black, one green, one blue legendary creature - Spirit Dragon - 4/4 - Mythic Rare Flying Whenever Teval attacks, mill three cards
The Sultai Arisen deck from Tarkir: Dragonstorm is designed around self-mill mechanics, Zombies, and reanimation effects