How to Summon an MVP using Abracadabra

Abracadabra - is a sage's skill, witch can summon MVP.
I've seen some of high class guilds, organizing MVP summoning parties, those were so awsm.
Its like we could go to random map, with no players, for MVP hunt.
A video of how the skill works: http://www.youtube.com/watch?v=k6v6HPTu0_4&feature=related
A guide for this: http://write.ratemyserver.net/ragnoark-online-how-to/how-to-summon-an-mvp-using-abra/

Classes needed:
Prof or more to cast Abracadabra the more the better,
Creator to spawn mushrooms with Plant Cultivation to be transformed into the MVP and to Acid Demo the MVP, (or instead of creator just go to maps with random mobs)
Dancer and Bard for Into the Abyss Ensemble: All party members within the area of effect are able to cast spells without gemstones and lay traps without using an item; then vs. the MVP the Bard uses Poem of Bragi and the Dancer uses Please Don’t Forget Me and Service For You.(abracadabra skill will still require at least 1 yellow gemstone, instead of 2, with bragi+dancer ensamble)
High Priest for Ruwach during the Abra stage and to Lex Aterna vs. the MVP,
Sniper with boss bow and/or Champ with boss chain just to kill the MVP,
High Wizard for Aoe spells and Ice wall,
Paladin in Gospel/Devotion build to keep people alive or tank low MVPs, and
Assassin Cross or Stalker to lure large MVPs.