Koa'ki Meiru Guardian
Rock / Effect
EARTH / 
4During 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.
1900/1200
CARD ID: 45041488
STATUS TCG: Unlimited
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| TCG Set | Symbol | Rarity | Low | Avg | Trend | |
|---|---|---|---|---|---|---|
| Battle Pack 3: Monster League | BP03-EN056 | Rare | -,--€ | -,--€ | -,--€ | |
| Battle Pack 3: Monster League | BP03-EN056 | Shatterfoil Rare | -,--€ | -,--€ | -,--€ | |
| Duelist Pack Collection Tin 2009 | RGBT-ENPP3 | Super Rare | -,--€ | -,--€ | -,--€ | |
| Raging Battle | RGBT-EN023 | Common | -,--€ | -,--€ | -,--€ | |
| Secret Slayers | SESL-EN048 | Super Rare | -,--€ | -,--€ | -,--€ |
This card was released as one of the 3 Raging Battle preview promos released in the Duelist Pack Collection Tin 2009.
Despite being a Rock-Type monster with Guardian in its name, its DEF is much lower than its ATK.
This card has a Trap Card-negating counterpart, Koa'ki Meiru Sandman, and a Spell Card-negating counterpart, Koa'ki Meiru Wall. All three cards have the same ATK, DEF, Attribute, Type, Level, and maintenance costs.
Despite being a Rock-Type monster with Guardian in its name, its DEF is much lower than its ATK.
This card has a Trap Card-negating counterpart, Koa'ki Meiru Sandman, and a Spell Card-negating counterpart, Koa'ki Meiru Wall. All three cards have the same ATK, DEF, Attribute, Type, Level, and maintenance costs.
TCG Rulings
“Koa’ki Meiru Guardian’s” effect is a Quick Effect.: Raging Battle – Card Rulings (version 1.2)
OCG Rulings
Tributing this card is a cost to activate the effect which negates the activation of an Effect Monster's effect.
This card's effect is an optional Quick Effect which activates in chain to an Effect Monster's effect when that Effect Monster's effect activates.
You can activate the effect of "Koa'ki Meiru Guardian" during the Damage Step when the effect of an Effect Monster is activated.: Please explain the effect of "Koa'ki Meiru Guardian" which negates the activation of an Effect Monster's effect and destroys it.
The effect of "Koa'ki Meiru Guardian" does not target.
"Koa'ki Meiru" monster Rulings
{{:Card Rulings:Koa'ki Meiru