Solarion is a rare Artifact Creature — Construct card from Fifth Dawn (5DN), collector number 153. Current market price: $0.63 (foil $6.22), TCGplayer market prices via Scryfall.
Sunburst (This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.) {T}: Double the number of +1/+1 counters on this creature.