Secluded Courtyard (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Sam Burley
• Card Text:
  As Secluded Courtyard enters the battlefield, choose a creature type.
  : Add C.
  : Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature or creature card of the chosen type.