D&D Wishes: Good idea

This spell allows caster to alter reality in many ways. In Baldur's Gate it is done through summoning Djinni with which caster "negotiates" various effects. Effects are chosen semi-randomly with wisdom affecting whetever effects will be more positive or negative, with higher wisdom giving more good effects, and low wisdom giving more bad effects.
Possible effects are as follow:

• Breach on everyone in the area, including the party.
• Blow all people, including party members, away from the caster.
• Heal everyone, party members and enemies included.
• Temporarily set Strength to 18 for everyone in the area, including enemies.
• Miscast Magic on everyone in the area, including party members.
• Magic Resistance (Spell) on everyone in the area, including enemies.
• Abi-Dalzim's Horrid Wilting on everyone in the area, including the party.
• Everyone in the area, both party members and enemies, become intoxicated
• Incur bad luck on everyone in the area, including party members.
• Silence on everyone in the area, including party members.
• Haste everyone in the area, including enemies.
• Improved Haste enemies in the area.
• Restoration on all party members.
• Raise all party members' characteristics to 25 for 4 rounds.
• Resurrection on all dead party members.
• All party members gain the temporary ability 'Greater Deathblow'.
• All party members gain the temporary ability 'Hardiness'.
• Create a random wand in caster's inventory.
• Create a random potion in the caster's inventory.
• Make it as if the entire party has just rested a full night and re-memorized all their spells.
• Cast a double-length Time Stop and Improved Alacrity on the caster.
• Heal all enemies in the area.
• Improved Haste on all enemies in the area.
• Summon an extra hostile monster into the area.
• Level Drain two levels from each party member.
• Temporarily remove half of the caster's HP.
• Temporarily remove 15% of all party members' HPs.
• Caster loses all memorized spells.
• Party loses 10,000 gp.
• Bring a Meteor Swarm down upon the caster.
• Temporarily reduce the Strength of all party members to 3.
• Temporarily reduce the Wisdom of all party members to 3.
• Temporarily reduce the Constitution of all party members to 3.
• Temporarily reduce the Dexterity of all party members to 3.
• Temporarily reduce the Intelligence of all party members to 3.
• Slow the entire party.