The details of the Koa'ki Meiru Guardian, a Level 4 EARTH Rock monster from the 2009 Raging Battle expansion.
2009 • Yu-Gi-Oh! • Raging Battle
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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 Koa'ki Meiru Guardian holds a distinct place in the Yu-Gi-Oh! Trading card game, serving as a foundational piece for players who specialize in the Koa'ki Meiru archetype. Released in 2009 as part of the Raging Battle set, this card is identified by the code RGBT-EN023. It is classified as an Effect Monster with a Rock type and EARTH attribute, standing at Level 4 on the field. For collectors, the Raging Battle expansion represents a significant era in the franchise's history, offering a diverse array of cards that define competitive play and lore. The Koa'ki Meiru Guardian is particularly notable for its role within its specific monster family, allowing enthusiasts to track the evolution of Rock-type strategies during this period. Collectors often seek out cards from this set to complete their Raging Battle collection or to acquire specific cards that support powerful monster archetypes. Whether you are looking to expand your personal archive or strengthen your duel deck, this card from the RGBT series offers both nostalgic value and gameplay utility. The product listing allows you to browse various versions of this card, catering to different preferences in condition and rarity among the common print runs found in the Raging Battle expansion. Understanding the mechanics of the Koa'ki Meiru series is essential for any serious collector. This card exemplifies the design philosophy of the late 2000s, focusing on synergy and monster interaction. By acquiring this card, you are adding a verified piece of Yu-Gi-Oh! History to your collection, connecting with a community that values the depth and strategy of the trading card game.
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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
Koa'ki Meiru Guardian
Game
Yu-Gi-Oh!
Rarity, print treatment, and game-specific stats for this card.
Common
Card Stock
English
Earth
Rock
4
1900 / 1200
Koa'ki Meiru
Abilities, attacks, oracle text, and flavor text printed on the card.
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock monster in your hand. When a monster effect is activated (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that monster.
FAQ
Koa'ki Meiru Guardian is from the Raging Battle expansion, which was released in 2009. Its card code is RGBT-EN023.
It is a Level 4 Effect Monster with a Rock type and an EARTH attribute. It belongs to the Koa'ki Meiru archetype.
This card is a key component for collectors building a complete Raging Battle set or those who specialize in the Koa'ki Meiru monster family.
Explore cards with this name across sets and editions. Check each card’s details before choosing a version.