Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Jace's Erasure

Whenever you draw a card, you may have target player mill a card.

Snow-Covered Island

Mind Sculpt

Iceberg Cancrix

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

Chronic Flooding

Enchant land
Whenever enchanted land becomes tapped, its controller mills three cards.

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.)

Thought Collapse

Counter target spell. Its controller mills three cards.

Memory Sluice

Target player mills four cards.
Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Jace's Phantasm

Flying
This creature gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Tome Scour

Venture Deeper

Target player mills four cards. (Then exile this card. You may cast the creature later from exile.)