[schmoozerd]

Prepared as the following:

commit 774b9c01aa4f55ed191b4e9fdb07dd781c745676
Author: NeatElves <NeatElves@getmangos.com>
Date:   Thu Mar 28 02:16:11 2013 +0100

    [12425] Implement spell 17009
    
    Signed-off-by: Schmoozerd <schmoozerd@scriptdev2.com>

diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index 8065dd1..e622609 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -933,6 +933,26 @@ void Spell::EffectDummy(SpellEffectIndex eff_idx)
                     m_caster->CastSpell(m_caster, spell_id, true, NULL);
                     return;
                 }
+                case 17009:                                 // Voodoo
+                {
+                    if (!unitTarget || unitTarget->GetTypeId() != TYPEID_PLAYER)
+                        return;
+
+                    uint32 spell_id = 0;
+                    switch (urand(0, 6))
+                    {
+                        case 0: spell_id = 16707; break;    // Hex
+                        case 1: spell_id = 16708; break;    // Hex
+                        case 2: spell_id = 16709; break;    // Hex
+                        case 3: spell_id = 16711; break;    // Grow
+                        case 4: spell_id = 16712; break;    // Special Brew
+                        case 5: spell_id = 16713; break;    // Ghostly
+                        case 6: spell_id = 16716; break;    // Launch
+                    }
+
+                    m_caster->CastSpell(unitTarget, spell_id, true, NULL, NULL, m_originalCasterGUID, m_spellInfo);
+                    return;
+                }
                 case 17251:                                 // Spirit Healer Res
                 {
                     if (!unitTarget)
@@ -953,7 +973,7 @@ void Spell::EffectDummy(SpellEffectIndex eff_idx)
                     if (!itemTarget && m_caster->GetTypeId() != TYPEID_PLAYER)
                         return;
 
-                    uint32 spell_id = roll_chance_i(50)
+                    uint32 spell_id = urand(0, 1)
                                       ? 17269               // Create Resonating Skull
                                       : 17270;              // Create Bone Dust
 
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index f44fa3d..6722d8e 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "12424"
+ #define REVISION_NR "12425"
 #endif // __REVISION_NR_H__

Changes to your version:
* Cast by m_caster (and properly triggered)
* case ordering to 0..6

Edit: Added to [12427] Thank you!