This deck tends to kill the opponent by turn 3-5 at most by attacking w/ 5-10 creatures and equipping Cranial Plating as an instant for 2 black mana on what ever is not blocked. A large creature would slow the deck down.
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You are right that Vindicate is a great card, but this is a mono black deck. There is white in the tag due to the Divinity of Pride.
After alot of gameplay here is the updated deck.