aelinara the starspon

{w}{u}, Create a white Blue artifact token named Shooting Star with ( {t} Sacrifice this artifact: deal two damage to any target)

{x}{w}{u}{ut}, Sacrifice x Shooting Star tokens and create a white Blue Enchantment creature token named constellation with (this creature's power and toughness is equal to the number of Shooting Stars that were Sacrificed to create it.