Theros: Nykthos, Shrine to Nyx
Decks with (n) copies:

Nykthos, Shrine to Nyx

Legendary Land


Oracle text:

{T}: Add {C}.
{2}, {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.)


Collection:

Theros


Rarity:

Rare

Open your mind and write something interesting