Nman the god of oblivion

Annihilator 20
When Naman the god of oblivion enters the battlefield from anywhere all lands become wastes and lose all abilities. When Naman the god of oblivion hits the graveyard from anywhere shuffle your graveyard into your library. when Naman the god of oblivion is removed from the game all creatures become colorless eldrazi scion tokens with a base power and toughness of 1/1