Ninja of the Deep Hours is a common Creature — Human Ninja card from Commander 2015 (C15), collector number 99. Current market price: $1.44, TCGplayer market prices via Scryfall.
Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may draw a card.