So while its often tempting not to mention extremely beneficial to load your deck and play area with Pokemon ex, it can be pretty risky and lead to a swift loss if youre not careful
I think only a handful exist
It would be strange to call them advanced rarities, but they are a little different to explain, and not necessarily reliant on the symbol in the corner: Holographic/Holofoil rare = black star + shiny (holofoil) picture: a holofoil rare is a rare card but the picture of the Pokmon is shiny
Always double-sleeve your cards and store them upright in binders or designated boxes
The player can either discard a Monster to shuffle all the opponents own back into their deck, send one of their controlled Spells or Traps to the Graveyard to send all of the opponents back to the deck, or mill a card to shuffle the opponents whole Graveyard back into their deck
However, there are scumbags in the world who will look to profit off of it