pokemon center japan 151 booster box Japanese – Keef's Cards you might even find the elusive Mew ex in your travels Pokémon TCG: Scarlet & Violet-151

Ninetails is one of my many favorites

Archived from the original on March 4, 2009

The most expensive card in the Twilight Masquerade set is the Greninja ex SIR

Jack's Knight Jack's Knight Warrior Normal C Common SR Super Rare R Rare CR COLLECTOR'S RARE C Common C Common C Common C Common C Common C Common UR Ultra Rare C Common R Rare R Rare UL Ultimate Rare Related Cards View as Gallery View as List Arcana Knight Joker X LIGHT Level 9 [ WarriorFusionEffect ] ATK 3800 DEF 2500 "Queen's Knight" + "Jack's Knight" + "King's Knight" A Fusion Summon of this card can only be done with the above materials

That was the maximum rarity at the time and so these cards are super valuable now