Waste Not Your opponents are going to be forced to discard constantly , making Waste Not extra powerful in Kefka
Its especially useful for EDH decks that want blue creatures that tap like Unctus, Grand Metatect, or decks that want a lot of looters like Oskar, Rubbish Reclaimer
A sac outlet that lets you dig for better creatures and potentially swap tokens for bombs is nuts
In Green instead of Blue, to that
If drawing cards is important, and synergy is important what synergizes with drawing cards
I discovered, however, that Daniel had constructed an absolutely absurd creation, which I dubbed The Blue Vise. It was basically Mox Sapphires, Black Lotuses, Ancestral Recalls, a few Timetwisters, and about a half dozen Black Vises