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Don't forget Increasing Confusion Pretty strong, but stronger the second time around I like it anyways helped me win with turbo fog in standard for a bit.

Ambassador Laquatus  Good for end of turn mill when your holding mana on for a counterspell. 

Archive Trap  Good for mana and can be played for free under circumstances

Brain Freeze  Storm can make this card do crazy things in multiplayer formats, or just wonderful things if you have enough low mana cost spells.

Drowner Initiate Good low cost mill and incredibly good paired with jaces erasure when casting things like Brainstorm or other card advantage spells. So much mill so quickly


Induce Paranoia (depending on what it counters) 

Jace, Memory Adept  Very pro mill planeswalker


Memory Erosion Passive mill triggered by your opponent

Oona, Queen of the Fae  Exile style and creates bodies to block with.

Sanity Grinding  Has great potential but very deck dependent

Scalpelexis  Much like szadek, but he exiles and with the right luck he can be a beast, especially against mono colored decks (basic lands)

Szadek, Lord of Secrets  Snowball mill he'll keep beating and milling faster and harder in the right environments he needs a good home.

Traumatize  Strongest mill card in the buisness as long as your opponent still has some sort of library left, earlier the better.

Vision Charm  A versatile card, mostly good in multicolored mill decks with troubled mana bases.