Phantasy Star Online Episode 3 cheats and cheat codes for Gamecube

VIP card:
Enter VIP as online team name. You will have a bigger chance to get a
VIP card. 

Saved game cards: 
At the tile screen, press Start, then choose the "Offline game" option, after
the "Story" selection. Highlight your saved game file, then hit A and pick 
to confirm. Go to "Story", then choose the "CARD Trading Machine". Finally 
select the "Search Event Files" option. You should see a message, when 
the new cards unlocked.

Beat card: 
Have a saved game file from Sonic Heroes on your memory card. 

Alive Aqhu card (from Viviana): Finish "Chance Meeting". 
Broom card (from Relmitos): Finish "A Brief Rest". 
Bullet Storm card (from Kylria): Finish "Info on Blitz". 
Canadine card (from): Finish "Nostalgic Spot". 
Cave Wind card (from Peko): Finish "Cake of Dreams". 
Chain Sword card (from Saligun): Finish "Emotions Clash". 
Companion card (from Creinu): Finish "Jewel Fountain". 
Del Rappy card: Collect all 477 cards (All N4-SS). 
Dice Fever + card: Collect all Assist cards (N4-SS). 
Harisen Battle Fan card (from Glustar): Finish "Dream Present". 
Madness card (from Orland): Finish "Test of Power". 
MC Guard card (from Teifu): Finish "Tough Partner". 
Mighty Knuckle card (from Hyze): Finish Song Request". 
Pal Shark card (from Rio): Finish "Evaluation". 
Pan Arms card (from K.C.): Finish "Looking Inward". 
Parry card: Collect all Actions cards (N4-SS). 
Punch card (from Rufina): Finish "The Real Me". 
Recky card: Collect all Creature cards (N4-SS). 
Red Ring card: Collect all Item cards (N4-SS). 
Round Slay card (from Reiz): Finish "Flashbacks". 
Split Boost card (from Ohgun): Finish "Save the Rappy". 
Territory card (from Stella): Finish "Great Rescue". 

Sonic Knuckle card:
Have a saved game file from Sonic Heroes on your memory card. 

Sange card:
Have a saved game file from Sonic Adventure DX on your memory card. 

Clippen card: 
Have a saved game file from Billy Hatcher on your memory card.

Rage card:
Have a saved game file from Sonic Adventure 2 Battle on your memory card.

Halloween Rappy card:
Have a saved game file from Sonic Heroes on your memory card.

Nano Dragon card:
Have a saved game file from Phantasy Star Online Episode 1 and 2 on 
your memory card.

Madam's Umbrella card:
Have a saved game file from Sonic Mega Collection on your memory card.

Unlock Dressing Room:
Finish the Hunter and Ark storylines also in Story mode (offline)

Create a Photon Chair
Hold X and hit A or B while standing in an online lobby

Change intro to Billy Hatcher And The Giant Egg trailer:
Hold B + G on your Gamecube keyboard at the title screen

Different Deck selection:
The new and rare cards depends on your Section ID.

Red Deck: Pinkal, Oran Skyly
Green Deck: Purplenum, Redria
Blue Deck: Yellowboze, Bluefull
Black Deck: Viridia, Greenil, Whitil 

Some decks have another card bases:
Red deck: Monster cards
Green Deck: Action cards
Blue deck: General cards
Black Deck: Weapon cards