Underworld Cerberus (THS) from Theros, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Svetlin Velinov
• Card Text:
  Underworld Cerberus can't be blocked except by three or more creatures.
  Cards in graveyards can't be the targets of spells or abilities.
  When Underworld Cerberus dies, exile it and each player returns all creature cards from his or her graveyard to his or her hand.