The Wandering Rescuer is a mythic Legendary Creature — Human Samurai Noble card from Duskmourn: House of Horror (DSK), collector number 351. Current market price: $3.53 (foil $5.04), TCGplayer market prices via Scryfall.
Flash Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Double strike Other tapped creatures you control have hexproof.