Tanngnjostr of the Nordic Beasts (STOR-EN013) [Storm of Ragnarok]

When a monster you control is destroyed by battle and sent to your Graveyard, you can Special Summon this card from your hand. Once per turn, when this Defense Position card on the field is changed to face-up Attack Position, you can Special Summon 1 "Nordic Beast" monster from your Deck in face-up Defense Position, except "Tanngnjostr of the Nordic Beasts".