Glimpse the Unthinkable

Iceberg Cancrix

Whenever another snow permanent you control enters, you may have target player mill two cards.

Snow-Covered Swamp

Dream Twist

Target player mills three cards.
Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Laboratory Maniac

If you would draw a card while your library has no cards in it, you win the game instead.

Pilfered Plans

Target player mills two cards. Draw two cards.

Hedron Crab

Landfall — Whenever a land you control enters, target player mills three cards.

Tome Scour

Snow-Covered Island

Dimir Signet

Jace, Wielder of Mysteries

If you would draw a card while your library has no cards in it, you win the game instead.
+1: Target player mills two cards. Draw a card.
−8: Draw seven cards. Then if your library has no cards in it, you win the game.