Unknown Treasure

At the beginning of your upkeep, you may
choose one at random—
•You lose 3 life.
•You gain 1 life and create a colorless Treasure
artifact token with "{t}, Sacrifice this artifact:
Add one mana of any color".
•You gain 1 life and create a colorless
Treasure artifact token with "{t}, Sacrifice this
artifact: Add one mana of any color".