The 2021 Tin of Ancient Battles represented a significant release during Yu-Gi-Oh!'s ongoing competitive era, delivering sought-after reprints alongside fresh ultra rare pulls. First Edition printings from this tin period remain particularly desirable among collectors, as they marked the final window for obtaining certain cards in premium condition before potential future reprints altered availability. Tri-Brigade Kerass exemplifies the Tri-Brigade archetype's dynamic design philosophy, featuring striking artwork that captures the creature's distinctive presence. Collectors actively pursue this card both for competitive deck construction and as a centerpiece of Tri-Brigade collections, valuing its status as an early premium printing from this acclaimed tin release.