Cards
Kane's Card: Defeat Kane with Max. (main character)
Bleu's Card: Speak to Karin after Kane is defeated.
Yogurts?s Card: Search the controls of the caravan in Pao
Kokicki?s Card: Talk to Kokichi?s helper after he flies off of the cliff.
Dian?s Card: In the Pao Pig Pen in Pao
Max?s Card: Beat the Game
Marionette?s Card: Gort must kill a Marionette
Amon?s Card: Balbaroy gives it to you.
Gong?s Card: Talk to the woman inside Gong?s hut.
Domingo?s Card: In the second Pao Pig Pen.
Vankar's Card: Speak to Vankar 3 times in the headquarters.
Pelle's Card: Speak to Pelle 3 times in the headquarters.
Guntz' Card: Speak to Guntz 3 times in the headquarters.
Earnest's Card: In a bookshelf in the upstairs of the fortress before the battle agains Balbezack.
Narsha's Card: Frequently talk with Narsha in the headquarters.
Zuika's Card: Frequently talk with Zuika in the headquarters.
Lyle's Card: In Reido, exit the town gate but stick to the left side of the screen. You can walk around the outside of the wall and find a chest in the upper left hand corner of the town.

Yogurt
Go to the back of the church when you first enter Pao and search the back wall. Yogurt will get up from his nap and join your party.

Adam?s Card
You can get Adam?s card by searching the bottom left corner of the entrance of Runefaust Castle.