Step 1. Activate Brilliant Fusion, Sending Gem-Knight Garnet and A/D Changer from the deck to the graveyard to fusion summon Gem Knight Seraphinite
Step 2. Normal Summon the Nordic Tuner, then Normal Set Tanngnjosr using Seraphinite's effect
Step 3. Activate A/D Changer in the Graveyard, Changing Tanngnjosr from face down defense to face up attack
Step 4. Using Tanngnjosr's effect, special summon a Nordic Beast from the deck
Step 5. Link Summon Crystron Needlefiber using Gem-Knight Seraphinite and the Nordic Tuner
Step 6. Using Needlefiber's effect, special summon Valkyrie of the Nordic Ascendant from the deck (or any other level 3 or lower tuner)
Step 7. Link Summon Borresword Dragon using Needlefiber and any two Nordics
Step 8. Link Summon Gulliveig of the Nordic Ascendant using the remaining Nordic
Step 9. Using Gullveig's effect, banish itself, Brilliant Fusion, and another card in hand to special summon Vanadis of the Nordic Ascendant, Alviss of the Nordic Alfar, and Mimir of the Nordic Ascendant from the deck
Step 10. Synchro Summon Odin, Father of the Aesir using Vanadis, Alviss, and Mimir