Truss, Chief Engineer is a rare Legendary Creature — Vedalken Rogue Employee card from Unfinity (UNF), collector number 272. Current market price: $0.16 (foil $0.22), TCGplayer market prices via Scryfall.
Whenever Truss, Chief Engineer enters or another creature dies, put a hack counter on Truss. {2}, {T}, Remove X hack counters from Truss: Add or subtract X from a number or number word on target spell or permanent until end of turn. This effect can't reduce a number below 1 or a number word below one.