one piece op08 two legends booster box BANDAI Pack OP-08 - Card Game The Whitebeard Pirates also appear as blue One Piece - Two Legends

Crimson Blader X FIRE Level 8 [ Warrior / SynchroEffect ] ATK 2800 DEF 2600 1 Tuner + 1 or more non-Tuner monsters If this card destroys an opponent's monster by battle and sends it to the GY: Your opponent cannot Normal or Special Summon Level 5 or higher monsters during their next turn

This deck has answers to most of the metagame

The leaker does caveat this with the fact that they datamined this information and its subject to change, but it seems unlikely that the date will shift wildly

Seeing as Umbreon is one of the most popular (and valuable) subjects of Pokemon TCG cards including in the most valuable Eeveelution cards of all time its no surprise that this card from 2010 commands a near-$30 price point