Vanadis of the Nordic Ascendant (STOR-EN081) [Storm of Ragnarok]

You can substitute this card for any 1 "Nordic" Tuner Monster for a Synchro Summon. If this card is used as a Synchro Material Monster, all other Synchro Material Monsters must be "Nordic" monsters. Once per turn, you can send 1 "Nordic" monster from your Deck to the Graveyard to change this card's Level to the Level of the monster you sent to the Graveyard, until the End Phase.