Shour, Gravemind Lich

Whenever a creature deals combat damage to
you, that creature's controller puts that many
cards from the top of their library into their graveyard.
{b}{g}{u}: Put the top five cards of your library
into your graveyard. Then return Shour,
Gravemind Lich from your graveyard to your
hand. Activate this ability only any time
you could cast a sorcery.