heres the diffrence: Pokemon LV.X are basically stage 1s for a Pokemon. like say raquaza(normal) and you have the LV.X of it. you put the LV.X on top of the raquaza. and BAM. more powerful Pokemon! http://www.pokemon.com/us/pokemon-trading-card-game/database/platinum-series/pl3/146/
now EX. EX are just Pokemon are OVERPOWERED Pokemon that when you KO one your opponent take TWO prize cards. no require ments to set one down.. just play it like a normal basic Pokemon! http://www.pokemon.com/us/pokemon-trading-card-game/database/bw-series/bw6/85/
