yugioh extra deck different sleeves YU-GI-OH! Albaz - Ecclesia Sleeve Hunt : r/yugioh

Whenever it connects in combat, it deals damage, draws cards, and gains you life based on the number of different color pairs you control

I personally think that the deck was intentionally set to two colors to both align with the popular new character, Saheeli Rai, and to make sure it felt meaningfully different from the four-color artifact deck from Commander 2016

Starting September 13, 2025, select retailers will begin selling the Mega Evolution Build & Battle Box, giving fans a chance to have a Prerelease battle and experience the latest expansion before its official release date

I imagine some scribe drawing these in a dark, rarely used library corner