Trigon of Infestation is a uncommon Artifact card from Scars of Mirrodin (SOM), collector number 214. Current market price: $0.25 (foil $1.00), TCGplayer market prices via Scryfall.
This artifact enters with three charge counters on it. {G}{G}, {T}: Put a charge counter on this artifact. {2}, {T}, Remove a charge counter from this artifact: Create a 1/1 green Phyrexian Insect creature token with infect.