Nyx Lotus (THB) from Theros Beyond Death, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Raoul Vitale
• Card Text:
  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.)