Vexing Puzzlebox

“Whenever you roll one or more dice, put a number of charge counters on Vexing Puzzlebox equal to the result. <br> T: Add one mana of any color. Roll a d20. <br> T, Remove 100 charge counters from Vexing Puzzlebox: Search your library for an artifact card, put that card onto the battlefield, then shuffle..”