The cost for the McNuggets is 490 yen, or around US$3 -- roughly $2 cheaper than usual
The cycling mechanic is an additional ability added to cards, it allows you to rummage for a new card if the card is not useful at the time
Market price $1.24 Based on the latest market prices tracked on TCG Stacked

Box Sizes & Formats: Box sizes specifically suited to single cards, booster sets, elite sets, and collections of cards Tier-Based Packaging Solutions: Packaging tailored to theme-based tiers such as Eclipse Tier, Phantom Tier, Cosmic Tier, and other collector-focused series and Uniformity of structure through tiers for consistent product packaging Branding & Printing Options : Placement of logos and printing done in high resolution for a clear brand identity Finishing Styles: Matte, glossy, soft touch, and textured finishes are available depending on your preferences Internal Organization: Custom interior arrangement with specific compartments for your cards Closure Options: Closures that can be securely tucked, sliding closures, and high-end magnetic closures for a premium opening experience Blind Box Formats That Enhance Collector Experience Pokemon products have been using mystery-themed packages in recent years
One copy of the Masters Key sold for $26,900 in a past PWCC auction
For example, if you control two Nadus and one becomes the target of a spell or ability, each of its granted abilities will trigger