When Filigree Vector enters the battlefield, 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](/Handlers/Image.ashx?size=small&name=1&type=symbol)
,
![Tap](/Handlers/Image.ashx?size=small&name=tap&type=symbol)
, Sacrifice another artifact: Proliferate.
(Choose any number of permanents and/or players, then give each another counter of each kind already there.)