Juggletron is a uncommon Artifact Creature — Clown Robot card from Unfinity (UNF), collector number 113. Current market price: $0.04 (foil $0.12), TCGplayer market prices via Scryfall.
Trample Whenever this creature attacks, you may put an art sticker on it. This creature gets +3/+0 for each item in its art that's not touching Juggletron, another item, or the card frame.