Nyx Lotus [Theros Beyond Death]

Set: Theros Beyond Death Type: Legendary Artifact Rarity: Rare Cost: {4} Nyx Lotus enters the battlefield tapped.{T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)