Silent-Blade Oni 191 (Commander 2018)

Ninjutsu {4}{U}{B} ({4}{U}{B}, 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, look at that player's hand. You may cast a spell from among those cards without paying its mana cost.

NM - $13.00
LP - $10.50
MP - $8.00
HP - $5.50
DMG - $3.00