Player* player;
uint32 auraTab[6] = {SPELL_AURA_1, SPELL_AURA_2, SPELL_AURA_3, SPELL_AURA_4, SPELL_AURA_5, SPELL_AURA_6};
uint8 countAura = 0;
for (uint i = 0; i < 6; ++i)
    if (player->HasAura(auraTab[i]))
        ++countAura;

if (countAura >= 3)
    // La suite du code