Magic Cards
Most of the cards that can be acquired with passwords are magic cards. The following are the card names and the passwords that unlock them: Dark Hole, "UMJ10MQB;" Change of Heart, "SBYDQM8B;" Crush Card, "SRA7L5YR;" Earthshaker, "Y34PN1SV;" Elf's Light, "E5G3NRAD;" Harpy's Feather Sweep, "8HJHQPNP;" Horn of the Unicorn, "S14FGKQ1;" and Mimicat, "69YDQM85."
Trap Cards
The next largest group of cards belongs to the trap class, which are designed to hamper your enemy's ability to fight. For Goblin Fan enter "92886423," for Gravity Bind enter "0HNFG9WX," for Mirror Wall enter "53297534" and for Royal Decree enter "8TETQHE1."
Spellcaster and Warrior Cards
Spellcaster and Warrior cards are among the more versatile card types in Yu-Gi-Oh. For Greenkappa enter "YBJMCD6Z," for Swordsman from a Foreign Land enter "CZ81UVGR," for Swordstalker enter "AH0PSHEB," for Tactical Warrior enter "054TC727," for Exodia the Forbidden One enter "37689434," for Left Arm of Exodia enter "A5CF6HSH" and for Magician of Faith enter "GME1S3UM."
Dragon Cards
Dragon type cards have high attack scores. Enter "JXCB6FU7" for Aqua Dragon, "GTJXSBJ7" for Barrel Dragon, "86985631" for Meteor Dragon and "2H4D85J7" for Seiyaryu.
Plant Cards
Plant cards are used typically as part of a swarming strategy. Enter "EKJHQ109" for Ancient Tree Of Enlightenment, "YF07QVEZ" for Fairy King Trusdale and "NVE7A3EZ" for Fairy's Gift.
Miscellaneous
The remaining cards fall under the beast, machine, fairy fiend, reptile and immortal types. For Beast King Of The Swamp enter "QXNTQPAX," for Birdface enter "N54T4TY5," for Blast Sphere enter "CZN5GD2X," for Robotic Knight enter "S5S7NKNH," for Mystical Capture Chains enter "N1NDJMQ3," for Dragon Seeker enter "81EZCH8B," for Serpentine Princess enter "UMQ3WZUZ" and for Slate Warrior "73153736."