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<font color=red face="comic sans ms">Martine is in FH. Go to where Mayor Dobe's house is, and you should be able to go right from there into a new screen, and Martine will be sitting on the floor. :)

since you are only on disc 2 i don't think Martine is in FH yet. But you might be able to find him in Galbadia garden. If not, just wait until the 3rd disc and he should be were Meltigemini said.

Wrong.
Martine goes to FH the second Balamb Garden becomes mobile.
He's to the right of the Mayor's house, wallowing in self-pity and cursing his existence; it's quite lovely.

i got rinoa card at disk 3 and i found martine at the back of FH where your ragnorak is parked, leaning near a wall close by the screen

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If you click on Card on your main Screen, it tells you if you go to Ifrit where it is, look at the bottokm right hand corner and it tells you where you can get it.

***MEGA-CARD-SPOILER***

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You can win 100 Ifrit, or Gilgamesh, or whatever you want...if you beat all of the CC card memebers, ther'yre on the Ragnarock in disk 4 (time compression world). The original members will play you, but it's hardcore gaming...wall plus, same, same wall, sudden death...you name it. After losing the first few card games, the rules will drop off one by one, and the games will be easier and easier. You can then pick off the Gilgamesh card from Xu and card mod it into 10 holy wars. Same with any other boss card...they have all of the major player cards there as well...Quistis, Squall, Zell, Seipher... Beat it from them, modify it, and beat them again for another of the same.

...A nice break, eh?