the crew card sleeves GOODS LIMITED SLEEVE PREMIUM MATTE VOL.2 − PRODUCTS｜ONE PIECE CARD GAME %20trading%20card%20game%20(TCG)%20card%20sleeves%20help%20duelists%20keep%20their%20cards%20secure%20and%20protected%20during%20duels Buy The Crew: Mission Deep

Unless you have a way to consistently bring it back or flicker it, youre not getting all that much value out of this card

1 Trainer (1999 Secret Super Battle) 9 Copies, US$90,000 The Secret Super Battle tournament, held in an undisclosed location in Tokyo (hence its name) in 1999, brought together the top four players of the 15-17 age division from nine regional tournaments across Japan for a shot at what was then the de facto national championship title

The combo itself involves figuring out what the top card of the deck is, which can be done in many ways, so that the combo player can guarantee a correct "guess" with Reversal Quiz

There are also other downsides, for example drawing two Gemstone Caverns as your only lands, finding it after you kept one lander with Otherworldly Gaze, etc

I realize these cards are probably in the niche of niche interests