Uma Musume Pretty Derby: Marvelous Sunday SSR Guts Guide

Alexa Hunter

Mar 30, 2026

Greetings, Trainers! Welcome to LootBar's Marvelous Sunday SSR Guts Card Guide. This guide breaks down Marvelous Sunday’s SSR Guts Support Card in Uma Musume: Pretty Derby, taking a closer look at her overall training value, the impact of her Mood-based passive, and how her stat distribution performs across different scenarios. We’ll focus in particular on whether her consistency-focused kit can justify a slot in modern decks, and if she’s a worthwhile pick for trainers considering Guts-based or niche training strategies.

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Overview, Skills, and Events

Overview
Unique Effect	Gain Mood Effect (60) when the bond gauge is full
	Base	🔷	🔷🔷	🔷🔷🔷	🔷🔷🔷🔷
Friendship Bonus	25%	26%	27%	28%	30%
Specialty Priority	35	40	45	50	50
Training Effectiveness	5%	5%	5%	5%	5%
Initial Power	15	16	18	20	20
Initial Friendship Gauge	15	16	18	20	20
Race Bonus	1%	2%	3%	5%	5%
Fan Bonus	5%	6%	8%	10%	10%
Guts Bonus	-	1	1	1	1
Initial Speed	-	-	-	15	30
Stat Gain
Guts +6		Speed +1		Power +1

Skills

Support Skill Hints
	Straightaway Adept	Slightly increase velocity on a straight.
	Ramp Up	Slightly increase velocity when passing another runner mid-race.
	Tail Held High	Slightly increase velocity after activating many skills mid-race.
	Hesitant Front Runners	Slightly decrease velocity of front runners late-race.
	Hesitant Pace Chasers	Slightly decrease velocity of pace chasers late-race.
Event Skills
	Adrenaline Rush	Regain the energy to run when close to exhausting strength. (Long)
	Hanshin Racecourse ○	Moderately increase performance at Hanshin Racecourse.

Training Events

Chain Events

Marvelous☆Dive!	Marvelous☆School!	Marvelous☆Victory!
Top Wit +10 Skill points +10 Marvelous Sunday bond +5 Bot Energy -10 Guts +25 Marvelous Sunday bond +5	Skill points +30 Marvelous Sunday bond +5	Energy -10 Guts +10 Wit +10 Skill points +20 Adrenaline Rush hint +3 Marvelous Sunday bond +5

Random Events

Marvelous, No Question ☆	How To Be More Marvelous ☆
Top Energy +10 Speed +5 Marvelous Sunday bond +5 Bot Mood +1 Speed +5 Marvelous Sunday bond +5	Top Energy +10 Mood +1 Marvelous Sunday bond +5 Bot Hanshin Racecourse ○ hint +1 Marvelous Sunday bond +5

What Makes Marvelous Sunday SSR Guts Good?

Marvelous Sunday’s SSR Guts support card focuses on minor consistency boosts rather than high-value scaling, making her a weaker option in most standard training scenarios. She provides a +60 Mood Effect when the bond gauge is full, which can improve training performance once friendship is established, alongside a 5% Race Bonus that offers slight additional gains from racing. However, her overall stat contribution is limited due to her Guts-focused bonuses, which are generally lower priority compared to Speed and Power in most builds. As a result, her training output tends to fall behind other support cards that provide more impactful stat distribution or scaling effects.

Her Rare Skill, Adrenaline Rush, provides stamina recovery when nearing exhaustion in long-distance races, offering situational value in endurance-focused races. While the recovery can be useful, it does not significantly improve overall performance. Additionally, her kit lacks strong acceleration or velocity skills, making her less competitive in PvP. As a result, Marvelous Sunday performs best as a niche or filler Guts SSR. Offering limited value in specific scenarios but generally being outclassed by more efficient and meta-relevant support cards.

Should You Pull for Marvelous Sunday SSR Guts?

Marvelous Sunday is only worth considering if you specifically need a Guts support card for niche setups, but her overall value remains limited in most scenarios. Her +60 Mood Effect when the bond gauge is full can improve training consistency once friendship is active, and her 5% Race Bonus provides a small boost to stat gains from races. However, her Guts-focused bonuses do not contribute as effectively to overall stat growth compared to Speed or Power supports, making her harder to justify in optimized decks. While she offers some consistency through her passive, her lack of strong scaling or impactful stat bonuses keeps her performance below most alternatives.

Pros

+60 Mood Effect (when bond is full) improves training consistency
5% Race Bonus provides minor additional stat gains from races
Decent filler option if lacking Guts supports

Cons

Low overall impact compared to Speed and Power supports
Guts Bonus has limited value in most builds
Rare Skill is situational and tied to long-distance recovery
Easily outclassed by other Guts SSRs with better bonuses and utility

Conclusion

Marvelous Sunday is a niche option for players looking for a Guts support card, but her overall value remains limited compared to more efficient alternatives. While her +60 Mood Effect when the bond gauge is full provides some consistency in training, her lack of strong scaling, impactful stat bonuses, and low-priority Guts focus make her difficult to justify in most optimized decks. She can function as a temporary filler, but she does not significantly improve overall performance in standard scenarios.

To get the most out of your support cards and build stronger decks more efficiently, you can top up easily through LootBar and head straight to the Uma Musume top-up page!