Unless you want to pay 999,999 starchips, this is how you get some 
good cards in Yugioh Forbidden Memories:

Black Skull Dragon: S-pow High Mountain Mage 3200 ATK
Blue Eyes Ultimate Dragon: S-tec Nitemare 4500 ATK
Blue Eyes White Dragon: A-pow Seto 3rd 3000 ATK
Metalzoa: S-tec Bandit Kieth 3000 ATK
Meteor Black Dragon: S-pow High Mountain Mage
Perfectly Ultimate Great Moth: S-pow High Forest Mage 3500 ATK