Collect the 2015 Yu-Gi-Oh! Synchron Extreme Structure Deck card Solemn Warning (SDSE-EN039). This common rarity is a staple for TCG enthusiasts completing the SDSE series.
2015 • Yu-Gi-Oh! • Synchron Extreme Structure Deck
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$0.30 | Guide Estimate | |||
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$34.81 | Guide Estimate | |||
$21.00 | Guide Estimate | |||
Raw / Ungraded
PriceCharting Price Guide · Guide Estimate evidence · captured Oct 22, 2026
History is building. At least two days of matching observations are needed to show a trend.
Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.The Yu-Gi-Oh! Synchron Extreme Structure Deck, released in 2015, introduced a focused strategy centered on the Synchron archetype. Within this release, the card Solemn Warning (SDSE-EN039) serves as a key component for players looking to build the included deck. As a Common rarity card, it is a staple in the Yu-Gi-Oh! Trading Card Game, providing essential gameplay utility that complements the deck's core mechanics. For collectors, this card represents a tangible piece of TCG history from the mid-2010s. The Synchron Extreme Structure Deck was designed to teach players how to utilize specific summoning conditions, making cards like Solemn Warning integral to understanding the era's competitive landscape. While primarily a gameplay staple, its inclusion in this structure deck makes it a notable item for those cataloging their Yu-Gi-Oh! collection. Collectors often seek out complete sets of structure decks to preserve the design and narrative context of that year's releases. Adding SDSE-EN039 to your inventory ensures you have a complete representation of this 2015 release. Whether you are a player revisiting older formats or a collector documenting Yu-Gi-Oh! history, this card offers a direct connection to the Synchron Extreme era.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Solemn Warning
Game
Yu-Gi-Oh!
Rarity, print treatment, and game-specific stats for this card.
Common
Card Stock
English
Counter
Solemn
Abilities, attacks, oracle text, and flavor text printed on the card.
When a monster(s) would be Summoned, OR when a Spell/Trap Card, or monster effect, is activated that includes an effect that Special Summons a monster(s): Pay 2000 LP; negate the Summon or activation, and if you do, destroy it.
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