The pf. Winning Equation... Biwa Hayahide card (UMA/W106-E091) from the 2026 Booster Pack Umamusume: Pretty Derby set. This R rarity character supports UMAMUSUME strategies.
pf. Winning Equation... Biwa Hayahide
2026 • Weiß Schwarz • Booster Pack Umamusume: Pretty Derby
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Description
The pf. Winning Equation... Biwa Hayahide card, designated as UMA/W106-E091, is a key component of the 2026 Booster Pack Umamusume: Pretty Derby set for the Weiß Schwarz trading card game. Classified as an R rarity character with the UMAMUSUME subtype, this card offers distinct strategic value for players building decks around the UMAMUSUME theme. Its design and mechanics reflect the energetic spirit of the series, making it a desirable addition for collectors and competitive players alike. In gameplay, this card features a powerful continuous ability that scales with your back stage presence. For each other UMAMUSUME character you have in your back stage, this card receives a +2000 power boost, allowing it to become a formidable force in the late game. Additionally, it provides team-wide support by granting all your other UMAMUSUME characters +500 power, helping to secure critical battles. The card also includes an Encore ability, which allows you to return it to the stage from the waiting room by sacrificing another character from your hand, ensuring resilience and second chances in crucial moments. Collectors often seek out cards from the Booster Pack Umamusume: Pretty Derby set due to their unique artwork and thematic depth. The pf. Winning Equation... Biwa Hayahide card stands out with its flavor text, "The solution I was looking for!", hinting at the character's role and personality within the narrative. Whether you are looking to complete your set, add a powerful card to your deck, or simply appreciate the artistry of the Weiß Schwarz universe, this card is a valuable acquisition. As you expand your collection, consider how this card fits into the broader ecosystem of the UMAMUSUME archetype. Its synergistic abilities make it a staple for players focusing on back stage strategies, providing both offensive power and defensive utility. The card's release in 2026 marks a significant moment for fans of the Pretty Derby franchise, bridging the gap between anime enthusiasm and strategic card play. ## Sources
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Card Details
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Catalog Profile
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Featured Subject
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Game
Weiß Schwarz
TCG Attributes
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R
Card Stock
English
Character
RED
W
2
2
5000
2
SOUL
UMAMUSUME
Card Text
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【CONT】 This card gets +2000 power for each other 《UMAMUSUME》 character in your back stage. 【CONT】 All of your other 《UMAMUSUME》 characters get +500 power. 【AUTO】 Encore [Put 1 character from your hand into your waiting room] (When this card is put into your waiting room from the stage, you may pay the cost. If you do, return this card to its previous stage position as 【REST】)
The solution I was looking for!
