Silver-Fur Master is a uncommon Creature — Rat Ninja card from Kamigawa: Neon Dynasty (NEO), collector number 236. Current market price: $0.39 (foil $0.57), TCGplayer market prices via Scryfall.
Ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Ninjutsu abilities you activate cost {1} less to activate. Other Ninja and Rogue creatures you control get +1/+1.