The single most expensive MTG card is an Alpha copy of Black Lotus (rated PSA 10 gem mint), which sold for $3,000,000 in 2023
There may be differences based on the sku (for example, perhaps Water Blast had one coin and Power Reserve had another, then the Water Blast deck contained in the 2-Player Gift Box also contained a unique variant, etc)
Ozox, the Clattering King Ozox, the Clattering King is one of those neat legends that creates legendary tokens
Heartstone was in print in this block and then made the cut for this brew, but it helps your other stuff
Its deep violet hues pulse with aura waves, symbolizing intellect and control - themes central to Mewtwos mythos
Still, the exclusive nature of the BWR makes these cards highly desirable and likely to be one of the top collector items from modern sets for quite some time