Grindstone

{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

Ray of Erasure

Target player mills a card.
Draw a card at the beginning of the next turn's upkeep.

Foreshadow

Choose a card name, then target opponent mills a card. If a card with the chosen name was milled this way, you draw a card.
Draw a card at the beginning of the next turn's upkeep.

Book Burning

Any player may have Book Burning deal 6 damage to them. If no one does, target player mills six cards.

Vision Charm

Choose one —
• Target player mills four cards.
• Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn.
• Target artifact phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

Spoils of Evil

For each artifact or creature card in target opponent's graveyard, add {C} and you gain 1 life.

Thought Dissector

{X}, {T}: Target opponent reveals cards from the top of their library until an artifact card or X cards are revealed, whichever comes first. If an artifact card is revealed this way, put it onto the battlefield under your control and sacrifice Thought Dissector. Put the rest of the revealed cards into that player's graveyard.

Brain Freeze

Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Charmed Pendant

{T}, Mill a card: For each colored mana symbol in the milled card's mana cost, add one mana of that color. Activate only as an instant. (For example, if the card's mana cost is {3}{U}{U}{B}, you add {U}{U}{B}.)

Cloudhoof Kirin

Flying
Whenever you cast a Spirit or Arcane spell, you may have target player mill X cards, where X is that spell's mana value.