Olga

Olga is a character in the Yu-Gi-Oh! ARC-V anime. She is an exchange student from the LDS Nordic branch and is from the Synchro Summon course.

Deck
Olga uses an Arctic Beast Deck focused around Synchro Summoning her ace monster, "Arctic Beast - Iceberg Narwhal", which prevents her opponents from using Spells and Traps when it attacks, while also being able to double any effect damage her opponents take.

Trivia

 * This character is visually based on the appearances of Anna and Elsa in the Disney film Frozen.
 * This character's Nordic roots and use of Synchro Summoning is likely a reference to Team Ragnarok.