# 2026 Weiß Schwarz Booster Pack Umamusume: Pretty Derby #UMA/W106-E139

> Collect the C-rarity card Upbeat Bestie, Mejiro Palmer (UMA/W106-E139) from the 2026 Booster Pack Umamusume: Pretty Derby set in the Weiß Schwarz trading card game.

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## Identity

- **Year**: 2026
- **Manufacturer brand**: Weiß Schwarz
- **Set / series**: Booster Pack Umamusume: Pretty Derby
- **Card number**: #UMA/W106-E139
- **Product type**: TCG_CARD

## Description

The card Upbeat Bestie, Mejiro Palmer, designated as UMA/W106-E139, is a core entry in the 2026 Booster Pack Umamusume: Pretty Derby release for the Weiß Schwarz trading card game. Classified with a Common (C) rarity, this card represents the character Mejiro Palmer within the broader Umamusume universe, offering collectors a distinct piece of the series' expanding roster. As a foundational component of the set, it appeals to fans of the franchise who are looking to build comprehensive collections or acquire specific character variants for their Weiß Schwarz playsets. The card's identity is firmly rooted in the 2026 release, ensuring it serves as a recognizable and relevant addition for hobbyists tracking the latest developments in the game's timeline. Collectors often seek out specific character cards like this one to complete subset goals or to round out their decks with reliable, accessible options. The clear card number and set code provide an easy reference for organizers and traders, facilitating seamless integration into existing collections. Whether you are a long-time Weiß Schwarz enthusiast or a new fan of the Umamusume series, this card offers a tangible connection to the 2026 release and the beloved character Mejiro Palmer.

## FAQ

### What set is the Upbeat Bestie, Mejiro Palmer card from?

This card is part of the Booster Pack Umamusume: Pretty Derby set, released in 2026 for the Weiß Schwarz trading card game.

### What is the rarity of card UMA/W106-E139?

The card Upbeat Bestie, Mejiro Palmer has a Common (C) rarity classification within its set.

### Which character does this Weiß Schwarz card feature?

The card features the character Mejiro Palmer from the Umamusume: Pretty Derby series.

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Last verified: 2025-11-29.