https://github.com/rathena/rathena/blob/master/doc/script_commands.txt#L4332
*getitem2 <item id>,<amount>,<identify>,<refine>,<attribute>,<card1>,<card2>,<card3>,<card4>{,<account ID>};
*getitem2 "<item name>",<amount>,<identify>,<refine>,<attribute>,<card1>,<card2>,<card3>,<card4>{,<account ID>};
card1 ~ card4 paramaters, just add in the item id that will grant your character with extra stats.