the rarest card is called Tyler the warrior it was made by the make a wish foundation for a kid called Tyler there is only one copy and it belongs to him
The most rarest Pokemon card is original set kahangaskhan. Worth more then $1000 a piece.
the rockhopper one
The best card in yugioh is the judegement dragon card.
http://images2.wikia.nocookie.net/yugioh/images/d/dd/TylertheGreatWarriorTYL-EN-UR.jpg
A ghost rare is the rarest rarity of all yugioh cards.it is a whitish color and the newer ones are 3 dimensional . They are ussually very sought after cards because they add a lot to the arteork of a card and because of their rarity.
the rareist yugioh card ever made is a card called tyler the great warrior. there is only one made in the entire world! go to this site to read up on the details see below
$2.50 + $0.74 is the value of the Yugioh yubel card plus shipping.
there is not really a "most powerful" card in yugioh. it all depends on the circumstance and how you use it.
16,209$ it known today to be most rarest card of all time.
P247JJMMXP is the rarest
The rarest Pokemon card of 2008 is a card named POKEMON ILLUSTRATER. This card is worth $5,000 easy.
It is the sensei power card.