Whenever one or more creatures you control deal combat damage to one or more players, draw a card, then discard a card
The correct conclusion is not always buy now. Sometimes the correct move is to watch the spread for another week, buy the single, or choose a different Japanese box with a better entry
A few other cards live in this same tier, including the PSA 9 Illustrator (around $1.275 million), various trophy and prize cards, and the Snap Pikachu
negate the effects of that opponent's monster while it is face-up until the end of this turn, that monster you control cannot be destroyed by that battle, also your opponent takes any battle damage you would have taken from that battle
Even with a handful of reprints, this rare still sits at $12