Have all monster cards
Monster Rancher Metropolis: Monster Rancher Card & Adventure Video Games: Monster Rancher Battlecard Episode II Archive (PSOne): Gameshark Codes/Dex Saves and Questions: Have all monster cards
By chococarmelo on Monday, June 14, 2004 - 02:58 am:

gives you all the monster cards including MOO.This does not modify the number of your attack and breeder cards,they will remain the same.

descriptioncode
all monster cards50002B01 0000
800fcda4 0001


for gs lite(the cd)and similar versions:30002B01 0000 + 800FCDA4.