Void Winnower really does lock things down for a bit until someone pulls a Swords to Plowshare or Path of Exile to get rid of it, and with the swarms of other nasty stuff you will be dropping, there is a good chance they already blew a lot of those
they are particularly strong inclusions for decks built around bringing back removed creatures, which is an unusual but effective strategy particularly against control decks
4 K'rrik, Son of Yawgmoth A Mono-Black Phyrexian Horror Minion, while K'rrik, Son of Yawgmoth may have a mana value of seven, three mana of its mana cost comes in the form of Phyrexian Mana, meaning it can often be cast for a mere four mana
Its one of the most popular commanders judging by lists posted online, and one of the reasons is that it messes with card draw
Not only because rogues are a much more powerful and widely supported tribe in black, but also because rogues are great ways to deal combat damage and trigger its ability and draw you a card
This isn't the most exciting payoff, but it's fine -- and it's a two-card combo with Bloodthirsty Conqueror