Example build
The Fairy QueenMagic-blooded Half-fey Forest Gnome Mind Pirate 16Ability scores (Elite Array)
Str 8 (10-2 race)
Dex 16 (12+4 race)
Con 18 (13+1level+4enh)
Int 14
Wis 8
Cha 28 (15+3levels+6 race+4enh)
Feats:
Charming the Arrow, Magic in the Blood, ?
Skills: Maxed ranks in Lucid Dreaming
Spellcasting: spells known and per day as 16th level bard (up to 6th level), but spells drawn from the wizard/sorcerer spell schools of abjuration, divination, necromancy, illusion, or enchantment.
SLAs: Charm person at will, hypnotism 3/day, Detect law 3/day, Protection from law 3/day, Eyebite or lesser geas 3/day, Mass invisibility 3/day, Faerie fire or glitterdust 3/day, Enthrall or sleep 3/day, Confusion or emotion 3/day, Dominate person or hold monster 3/day, Geas/quest or mass suggestion 3/day, Find the Path 3/day, Psychic Reformation 3/day, Plane Shift (entire boat) 3/day
Tactics: Try to lure enemies onto your yacht by peppering them with arrows and spells (and via the Captivating Songs of your minions). Once they board it, use your Planar Admiral ability to take the boat (and them) to the Plane of Dreams, where you can use the full power of your
Lucid Dreaming skill against them...
Minions: 2 harpies (add class levels if they aren't strong enough "out of the box")
Equipment:Styx-born Weapon: +1 Eager, Warning, Smoking, Spellstoring longbow with
Suppression arrows(rework as arcane instead of psionic)
A large boat of some kind.
Eldritch Master might be a decent PrC to consider.