Campfire is a common Artifact card from Commander Masters (CMM), collector number 374. Current market price: $1.33 (foil $1.25), TCGplayer market prices via Scryfall.
{1}, {T}: You gain 2 life. {2}, {T}, Exile this artifact: Put all commanders you own from the command zone and from your graveyard into your hand. Then shuffle your graveyard into your library.