what are the rarest cards in pokemon tcg Most Valuable Hyper Rare The World's most expensive Pokémon card?

Or is it related to anything in the game

Ungraded & graded values for all Pokemon TCG World Championships 2015 Pokemon Cards

In tournament, as long as you have at least one Basic Pokmon card in your deck, you can't be punished for playing an impossible evolution cards (like Riolu+Lucario with M Lucario- EX ), you would just have cards in your deck that you are not able to play under any circumstances (you can't put M Lucario- EX into play without Lucario- EX )

Vessel of the All-Consuming Color Indicator: Black and Red Enchantment Creature Ogre Shaman Trample Whenever this creature deals damage, put a +1/+1 counter on it