While this Otter lord isnt quite that oppressive, this cards static ability of being able to toss off noncreature spells on your foes turn can certainly be massively advantageous in the right deck
Minn's last ability uses the Illusion's power the last time it existed on the battlefield to determine what cards you may put onto the battlefield
The one innovation was that, while Innistrad only had DFCs that were a creature on both sides (and one planeswalker on both sides at mythic rare), Dark Ascension had two DFCs that started as artifacts, one of which wasn't even a creature on the back face
Magic Commander 2013 card list & price guide
You'll have all the card draw you could need, and be able to pump up a flier with +1/+1 counters to make a potent, evasive threat
Wurmcoil Engine Wurmcoil is very much like Baneslayer with one key advantage in that you typically get a 3/3 life link dork to gain you some life even when they deal with it