Heliophial is a common Artifact card from Fifth Dawn (5DN), collector number 130. Current market price: $0.07 (foil $0.29), TCGplayer market prices via Scryfall.
Sunburst (This artifact enters with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to any target.