At the beginning of your upkeep, sacrifice this creature unless you discard a card. {2}: This creature deals 1 damage to target creature. {2}: Regenerate this creature.
At the beginning of your upkeep, you may put a fuse counter on this artifact. {T}, Sacrifice this artifact: Destroy each artifact and creature with mana value equal to the number of fuse counters on this artifact.
{3}, {T}: Choose a number greater than 0 and a color. Target opponent reveals their hand. If that opponent reveals exactly the chosen number of cards of the chosen color, you draw a card.
As long as this artifact is untapped, each player chooses artifact, creature, or land during their untap step. That player can untap only permanents of the chosen type this step.