Silent-Blade Oni [Planechase 2012] H14 then draw another card if

then draw another card if the sacrificed permanent was a commander

Activate only as a sorcery and only if an opponent has eight or more cards in their graveyard

Set: Sun & Moon: Ultra Prism Type: Psychic Rarity: Promo Retreat cost: Colorless

After this

Set: Platinum: Supreme Victors Type: Colorless Rarity: Promo

Silent-Blade Oni [Planechase 2012] H14 then draw another card ifSet: Planechase 2012 Type: Creature Demon Ninja Rarity: Rare Cost: {3}{U}{U}{B}{B} 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 Silent Blade Oni 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.