Whenever you here people talking about pokemon cards, they're talking about 
all the rare cards and how good they are.  I'm not dissing the rare cards, 
but there are other good cards that are easier to get.  One of my favorites 
is Arcanine.  Its only an uncommon and it has 100 HP with an attack that can 
do 80 damage, but it does 30 damage to itself.  Theres an easy way to get 
around that though.  If you put a defender on Arcanine before you attack, it 
only does 10 damage to itself, and you'll reduce the damage your opponent 
does to Arcanine next turn.