Kotori, Pilot Prodigy Kicked out of its own deck by erstwhile cEDH stomper Shorikai, Genesis Engine, Kotori, Pilot Prodigy is still a decent card for a pure vehicles deck, where Shorikai is fine to just Unwinding Clock its way through your library
Each player would have a Planar deck in addition to their normal deck, from which cards would be drawn into the Command Zone, at which point they would begin impacting the game.
This was later recreated for Blue Flame Swordsman in the card game
The major drawback for an investor outside Japan: the market is more niche, liquidity is lower in Europe and the Americas, and you need to understand the Japanese market codes to buy well
During your Main Phase: You can Special Summon this card from your hand to your opponent's field in face-down Defense Position