Redemption Arc is a rare Enchantment — Aura card from Murders at Karlov Manor Commander (MKC), collector number 324. Current market price: $1.16, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature has indestructible and is goaded. (It attacks each combat if able and attacks a player other than you if able.) {1}{W}: Exile enchanted creature.