You get to randomly hose some fringe strategies that are looking to abuse their graveyard.

You get support cards that are not available to burn including a gain 54 life for 2B, a one mana dragon, and an Ancestral Recall.You get to start with one-third of an Underworld Dreams on the battlefield, so every time your opponent draws a card they are actually losing a fraction of a life point.

You only need to mill 53 cards to win since your opponent draws a seven card opening hand, which is almost equivalent of an opponent going land, fetch, take two every single game.I hear you asking, 'if mill is just overcosted burn, why would I ever choose to play a mill deck over a burn deck?' Here are a few good reasons: In fact, if you translate all the mill cards in the deck to burn damage, the only one that I think would see play in modern is Archive Trap which is almost an instant speed Lava Axe that you can cast for free if your opponent cracks a fetchland. This is the drawback of mill - you are playing a bunch of what amount to overcosted burn spells.

Dream Twist mills three cards, which takes away 5 percent of an opponent's starting library. Bump in the Night deals three damage to an opponent, which takes away 15 percent of their starting life total. Take for example, Bump in the Night and Dream Twist. What this means is that milling one card is one-third the power of dealing one damage to an opponent. A burn deck is designed to get your opponent's life total from 20 to zero as fast as possible, while a mill deck's goal is to get an opponents library from 60 to zero as quickly as possible. Think about it - two constants in every game of competitive Magic is that players start with 20 life and (typically) 60 cards in their deck. I mentioned in the intro that playing mill is much the same as playing burn.

Mtg modern budget dredge