Not legal in Standard, Pioneer, Historic, Timeless, Alchemy, Brawl, Standard Brawl, Gladiator, Old School
Notes & Rules Information
If a basic land you control gains another basic land type or gains another ability that lets it produce mana, consider those effects when determining what colors of mana that land can produce.
(2017-11-17)
The colors of mana are white, blue, black, red, and green. Colorless is a type but not a color.
: Add one mana of any color that a basic land you control could produce.