Filigree Vector is a rare Artifact Creature — Phyrexian Construct card from March of the Machine Commander (MOC), collector number 102. Current market price: $11.40, TCGplayer market prices via Scryfall.
When this creature enters, put a +1/+1 counter on each of any number of target creatures and a charge counter on each of any number of target artifacts. {1}, {T}, Sacrifice another artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)