Treasure

{t}, Sacrifice this artifact: Add one mana of any color.

FREEZA: You see, I recently acquired what you people refer to as "Dragon Balls"... but I'm having trouble getting them to do what I want.
NAIL: Did you try working the shaft?
FREEZA: Classy.
GURU: Naaaail, what does he want?
NAIL: He's asking how to use the Dragon Balls.
GURU: Did you tell him to work the shaft?
NAIL: Yes, Lord Guru.
GURU: Good work, Nail.