The Best Monsters in this game are Blue-Eyes Ultimate Dragon, Gate Gaurdian, Black Luster Solider, Blue-Eyes White Deagon, Wall Shadow, Metalzoa, Metor B. Dragon, All 5 Pieces Of Exodia, Red Eyes B. Dragon !!!
I know how to get all of these cards!
Dark Magician: Fight Medow Mage 50 times
Red-Eyes B. Dragon: Fight Joey 2nd 190 times