Wear Away is a common Instant — Arcane card from Champions of Kamigawa (CHK), collector number 250. Current market price: $0.16 (foil $1.75), TCGplayer market prices via Scryfall.
Destroy target artifact or enchantment. Splice onto Arcane {3}{G} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)