Utility Paladin

[Mage keeper]

I noticed that paladin has a lot of option to increase its spell list like: divine servant, unsanctioned knowledge, the vows and being a samsaran with mystic past life.
So my question is: what spell would you choose to give to a paladin with these options, and what domain would you chose considering also the various domain power?

[Geddy2112]

For unsanctioned knowledge, dimensional door, haste, heroism, and good hope are nice picks. Greater invisibility is also decent for a 4th level choice. True strike, alter self, slow, and confusion are also decent choices. If you went hard into intimidate, blistering invective is a good nab from the bard list. If you went for a face or some kind of sneaky paladin, comp languages, tongues, alter/disguise self are decent picks. Alter self is a good way to get a strength bonus and some other racial benefits like LLV, darkvision and such.

For mystical life past, you are limited to divine casting, but that gets you faerie fire from the druid list which is really nice. Paladins can get litany of weakness, which is normally only inquisitor/antipaladin.

The big sell of getting a domain is the powers, the spells are icing on the cake. The big problem is that most domains have powers equal to 3+WIS per day, and most paladins dump wisdom. Paladins have a limited number of deities to select from, but you can get luck which is one of the best domains out there. Protection is decent, sun and glory are great if you fight a lot of undead. Animal can get you a companion in addition to the bonded item. War and plant are okay, specifically if you can get some of their subdomains.

[ATHATH]

Do note that due to the way that archetypes work in PF, you can't stack/combine most list-expanding archetypes with each other.