The Six Samurai - Yaichi (STON-EN007) - Strike of Neos Unlimited

When there's another [Six Warmasters] monster on your field outside of [Six Warmasters - Yaichi], once per turn you can destroy a set Magic/Trap card. This monster cannot declare attack the turn this effect is used.
When this card is destroyed, you can destroy a [Six Warmasters] monster outside of this card instead.