Return of the Shadow King

As an additional cost to cast this card, sacrifice a legendary creature or artifact you control.
Return target creature to its owner's hand, then,
return target legendary creature from exile or its
owner's graveyard to the battlefield under their control. This legendary creature has indestructible until your next upkeep.
"Rise, Sakorrog the Unkillable, King of Shadow!"
Drakoth called in his renewed, booming voice. "Show
this world your wrath!"-Drakoth