Cheapest priced copy (March of the Machine Commander): $15.99 at Card Kingdom, near mint, their price list as of .
Filigree Vector 
Artifact Creature — Phyrexian Construct · 1/1 · Rare · March of the Machine Commander · #102
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.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $15.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine Commander | 15 | Rare | $15.99 | — |
| March of the Machine Commander | 102 | Rare | $15.99 | — |
One ruling from Wizards of the Coast
- 14 April 2023You may choose an artifact creature as a target for both parts of the triggered ability. It will get a +1/+1 counter and a charge counter.