Vexing Puzzlebox [Commander Legends: Battle for Baldur's Gate Prerelease Promos]

Set: Commander Legends: Battle for Baldur's Gate Prerelease Promos Type: Artifact Rarity: Mythic Cost: {3} Whenever you roll one or more dice, put a number of charge counters on Vexing Puzzlebox equal to the result.{T}: Add one mana of any color. Roll a d20.{T}, Remove 100 charge counters from Vexing Puzzlebox: Search your library for an artifact card, put that card onto the battlefield, then shuffle.