Vecna, The Whispered One

Indestructible

When Vecna, The Whispered One enters the battlefield, if you don't own cards named "Hand of Vecna", "Eye of Vecna" and "The Book of Ville Darkness". Return Vecna, The Whispered One to its owners hand and search your library for one of those cards. If any of these would be put into exile or graveyard, you may sacrifice a permanent and return it to the battlefield.