Rulemaker - Reality-warping class which, rather than using spells, simply enforces rules upon the universe itself.
Soul Warrior - A warrior class with two-handed weapon combat styles, power word SLAs, rage, and a fear aura
Dragonsoul Champion - A monk/dragon shaman hybrid, essentially, focusing on the inner strength of dragons rather than flash and fire
Feychild - Get some fairy godmothers, learn to cast magic like a fey, and eventually become one.
Mongrel Paragon - Racial paragon class for the mongrel
Beholderkin Slavemaster - A prestige class that lets you control beholders
Reborn - Slowly lose your body and mind, adapting to survive such a tortured existence, before being reborn as a new type of creature
Multiplier - Split like an ooze at first, turn into a swarm at will later on
Creatures and Templates
Basal Golem - Based on a second-hand description of a creature from an old AD&D licensed computer game
Hybrid Template - Combine your two favorite creatures into one!
Stone Tomb - Hostile version of meld into stone
Embody Aura, Home Turf - Shape your environment to your alignment
Mind Eraser - Mindrape meets modify memory
Paperize - Turn a creature into paper
Reactive Panacea - Contingent restoration/healing
Excommunicate - Sever a divine caster's connection to their god
Sickness Bomb, Patient Zero - Conjure disease grenades, and then use them to fuel an epidemic
Encase - Trap a creature inside a thin, fleshy membrane
Blades of Glory, Lesser Keen Edge, Eruptive Phlebotomy, Clean Cut, Hack Surgery - Various spells with a razor blade as a material component
Deity creature types and templates
Alternate Pact Magic / Truenaming system