Tina discusses the following rhythm control medications for atrial fibrillation:

Class 3 antiarrhythmics: blocks potassium channels and prolongs action potential duration

Amiodarone
Dronedarone
Sotalol

Class 1 antiarrhythmics: blocks sodium channels, which results in a slowed atrial conduction, lengthens atrial refractoriness, and suppresses automaticity

propafenone
flecainide

Indiana University's P450 Drug Interaction Table: http://medicine.iupui.edu/clinpharm/ddis/clinical-table/
References:

CCS Guideline www.onlinecjc.ca/article/S0828-282X(12)00046-3/fulltext
UptoDate uptodate.com 
e-CPS www.e-therapeutics.ca/
RXFiles www.rxfiles.ca
Lexicomp www.lexi.com