Didn’t get announced together with the sleeves for some reason, but here it finally is.

デュエリストパック －疾風のデュエリスト編－ (Duelist Pack – Shippuu no Duelist-hen -)
Duelist Pack – Duelists of Whirlwind

-Release Date: May 22nd, 2021
-Will contain new cards to power up the decks of 3 WIND-Attribute monster-using Duelists

Source: https://yu-gi-oh.jp/news_detail.php?page=details&id=969