It all depends....if you want to be those High Priests that have soul link + buffs and just spam holy light to kill the person OR those that want a challenge killing your enemy
For full damage: 4 kingring cards
Debuff+ Strip: Phree+D.War+Valk R.+ Thanatos Maero
Half and Half: Phree+Dwar+2x kingring (I mostly use this one)
Stats:
Str - Depends on how much berries/seeds you want to hold
Agi - 195 aspd (ofc with buffs)
Vit - Rest here
Int - 28* + ??? (divisible by 10)
Dex - Instant Cast
Luk - NOPE
Equips:
Top Headgear: Forsaken helm/imp 2 kiels (There's a headgear that gives 40% more magic attack damage...but its risky)
Middle Headgear: Any aura is fine (the more stats the better, duh :P ) kiel
Lower Headgear: Sacreds/balloons/rucksacks/Mouth Piece (balloon/rucksack/Mouth Piece a maya purple card)
Armor: tao+gr (your main armor)
Shoes: 2x FBH (More matk)
Cloak:2x skolls/2x raydric/skoll+raydric/skoll+assasin card(if you want to hide and just surprise attack)
Belts:Forsaken Intelligent Belts/Those new belts with 2x Int runes
I think that's about it :o