
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.
Silent-Blade Oni has 5 printings, first in Planechase 2012 (2012). EDHREC ranks it #2,968 among Commander cards. It appears most in Yuriko, the Tiger's Shadow decks (15,289 on EDHREC). 3 public decks on TCG run it. It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.