Nezumi Prowler is a uncommon Artifact Creature — Rat Ninja card from Kamigawa: Neon Dynasty (NEO), collector number 344. Current market price: $0.24 (foil $0.37), TCGplayer market prices via Scryfall.
Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) When this creature enters, target creature you control gains deathtouch and lifelink until end of turn.