I tested it out with the scrylands as you said and at times it was slower than I would like it to be. The deck obviously needs fine tuning, but I think 2 or maybe even 3 Confluence with 2 temple of silence it a good fit. Bumping the lands to 22 might help too.Thanks for the tips.
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Goblin Rampage. Red and Black: http://www.mtgvault.com/ViewDeck.aspx?DeckID=380878 Here's one I'm working on. Feel like a few things can be replaced or altered.