Trample Splinterfright's power and toughness are each equal to the number of creature cards in your graveyard. At the beginning of your upkeep, mill two cards. (Put the top two cards of your library into your graveyard.)
原文The ability that defines Splinterfright's power and toughness works in all zones, not just the battlefield. If Splinterfright is in your graveyard, it will count itself.