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Heartless Summon things! With one instance of Heartless Summoning you can bring out your Perilous Myr for nothing, and then use a lich to bring it back over and over. Cycle the nobles almost as easily or keep them in play and gain life. Drop a Massacre Wurm for four and blow up everything with 2 or less toughness your opponent controls while damaging them 2 for each thing that dies. Pull out a Frost Titan for four to tap a threat and get a 5/5. Myr Superions become free 4/5's. Secrets of the Dead for draw. Increasing Ambition if necessary. Curse of Echoes. All standard.
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Nice.. I made a green black version with glissa to cycle the perilous each time you get a kill: http://www.mtgvault.com/ViewDeck.aspx?DeckID=269025
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