Con Artisan Bubbles

{t}: Target player creates a colorless artifact token called Invention which says "On your upkeep, roll a d6.
1: Sacrifice this token and take 5 damage.
2-5: Add {c} in your first main phase.
6: Sacrifice this token and draw a card."
Whenever a player sacrifices an Invention,
you may pay {u/r}. If you do, untap
Con Artisan Bubbles.