A card can be colorless and still ask for blue, black, green, or red mana in its Emerge cost
Its the squirrel commander thats both cheapest and easiest to cast, with just 1 green mana pip and 2 generic ones
The flexibility of exiling key permanents such as Amulet of Vigor or Aether Vial is extremely relevant in a format as diverse as Modern, and many decks are even opting to splash an additional color by adding off-color Shocklands or Tri-color (Triomes) lands to their mana base, so they pay an additional color for the converge mechanic on Prismatic Ending
Incapsula incident ID: 1813000671200531047-496722000217444592
I added it at a later point)
A couple of sagas have been made non-traditionally, but this is definitely my favorite for how rich the colors came out and how much definition the various figures have despite being made out of the same material