Nykthos, Shrine to Nyx

夜天神殿尼索斯 (Nykthos, Shrine to Nyx) (zht)

Legendary Land
: Add .
, : 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.)