While some of my earlier wall decks were interesting thought experiments, this defender deck has some possibilities. Yes, it relies on getting either the aura curse or Vent Sentinels working to win, but it should be able to hold out long enough. The Perimeter Captain/Stalwart Shield-Bearers combo can generate a ton of tough defenders and life gaining. Two copies of Glyph of Destruction give me a chance to take out HUGE attackers, and I have some flyers if needed. Holy Mantle is a card I have too often overlooked, but no more. I want to see what protection from creatures looks like now. The 10/20/5/5 curve yields a 2.13 average cost, and there is really little to stop the deck from quickly becoming tough to kill.