Classes that give "+1 level of existing class features."

[frogglesmash]

Are there any classes aside from Uncanny Trickster and Legacy Champion that give "+1 level of existing class features?"

[Extra Anchovies]

Bloodline levels (Unearthed Arcana) advance some things. Here's (http://community.wizards.com/content/forum-topic/3401506) one of Stormwind's optimization showcases that put this feature to work for a really nifty totemist/binder theurge.

[Psyren]

Evangelist (http://www.d20pfsrd.com/classes/prestige-classes/other-paizo/e-h/evangelist) from Pathfinder does this thanks to their Aligned Class ability (9/10 advancement.)