I personally prefer those with 12 pockets per page so I can keep four copies of six cards per page while having 2 sleeved cards per pockets but it all depends on personal preference
Now, you can steal every creature on the board by repeatedly sacrificing The Reaper, putting counters on enemy creatures until they're all dead, and always targeting itself when it reenters to remove the +1/+1 counter Mikaeus bestows
WOC are Commander-exclusive cards
So, my idea is to run as many creatures with a 2 toughness as I can although some will be smaller since I need recursive dorks and Aristocrats that are a bit obvious
One of the things I love most in Magic is turning my opponents stuff against them, and this does it very well
Omnath, Locus of the Roil already enters the battlefield with a removal effect based on the number of elementals you control, so youll want to build around that