Added Karakas to the optional sideboard cards.
I'd only consider them if I also play white for Chant effects, but some play them.

Pehaps good to mention the rough numbers for types of cards:
- Lands: 14-16
- Protection: 6-7
- Cantrips: 12-16
- Business: 7-10
- Accelleration: 16-18
More cantrips usually means less of the rest (except for lands, because cantrips need lands).