I don't know if I got this right...
item_db.txt:
31024,Immortal_Cursed_Knight_Card,Immortal Cursed Knight Card,6,20,,10,,,,,,,,2,,,,,{ bonus bAtkRate,10; bonus5 bAutoSpell,2066,5,20,ATF_WEAPON,1; },{},{}
31025,Immortal_Wind_Ghost_Card,Immortal Wind Ghost Card,6,20,,10,,,,,,,,2,,,,,{ bonus bMatkRate,10; bonus5 bAutoSpell,2450,5,20,ATF_MAGIC,1; },{},{}
31026,Immortal_Cursed_Knight_Card,Immortal Cursed Knight Card,6,20,,10,,,,,,,,2,,,,,{ bonus5 bAutoSpellWhenHit,2443,5,35,ATF_WEAPON,0; bonus5 bAutoSpellWhenHit,2444,5,80,ATF_MAGIC,0; autobonus "{ bonus bFlee,200; }",30,10000,BF_WEAPON; autobonus "{ bonus bSpeedRate,10; }",25,10000,BF_MAGIC; },{},{}
item_combo_db.txt:
31024:31025:31025,{ bonus bAspd,1; bonus bVariableCastrate,-10; }