Ah yes, Yuna’s monster she used that clearly doesn’t belong to her.

RD/KP13-JP024 ブレイド・リーダー Braid Blade Reader
Level 3 LIGHT Spellcaster Effect Monster
ATK 300
DEF 1300
[REQUIREMENT] You can activate this by sending 1 LIGHT Spellcaster monster or 1 Spell Card from the hand to the GY.
[EFFECT] Send the top 3 cards of your Deck to the GY. If there is a LIGHT Spellcaster among them, you can also choose 1 Equip Spell Card in your GY and add it to the hand.