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If this card is in your Graveyard, except the turn it was sent to the Graveyard: You can target 1 non-Tuner Zombie-Type monster in your Graveyard; banish both it and this card, and if you do, Special Summon 1 Zombie-Type Synchro Monster from your Extra Deck whose Level equals the total Levels of the banished monsters. You can only use this effect of "Cursed Katana Shiranui" once per turn.
ecco il testo se può servire.