Vexing Puzzlebox - Commander Legends: Battle for Baldur's Gate - 374

Artifact

Mana Cost: {3}

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

Mythic · Commander Legends: Battle for Baldur's Gate · #374 (CLB)

Illustrated by Zezhou Chen