Satoru, the Infiltrator is a rare Legendary Creature — Human Ninja Rogue card from Outlaws of Thunder Junction (OTJ), collector number 230. Current market price: $1.07 (foil $1.64), TCGplayer market prices via Scryfall.
Menace Whenever Satoru and/or one or more other nontoken creatures you control enter, if none of them were cast or no mana was spent to cast them, draw a card.