Suncrusher is a rare Artifact Creature — Construct card from Fifth Dawn (5DN), collector number 159. Current market price: $0.29 (foil $5.97), 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.) {4}, {T}, Remove a +1/+1 counter from this creature: Destroy target creature. {2}, Remove a +1/+1 counter from this creature: Return this creature to its owner's hand.