Liliana, Untouched by Death

+1: Mill three cards. If at least one Zombie card is milled this way, each opponent loses 2 life and you gain 2 life.
−2: Target creature gets -X/-X until end of turn, where X is the number of Zombies you control.
−3: You may cast Zombie spells from your graveyard this turn.

Jace Beleren

+2: Each player draws a card.
−1: Target player draws a card.
−10: Target player mills twenty cards.

Riddlekeeper

Whenever a creature attacks you or a planeswalker you control, that creature’s controller mills two cards.

Necroplasm

At the beginning of your upkeep, put a +1/+1 counter on Necroplasm.
At the beginning of your end step, destroy each creature with converted mana cost equal to the number of +1/+1 counters on Necroplasm.
Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Extractor Demon

Flying
Whenever another creature leaves the battlefield, you may have target player mill two cards.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Dreamborn Muse

At the beginning of each player’s upkeep, that player mills X cards, where X is the number of cards in their hand.

Szadek, Lord of Secrets

Flying
If Szadek, Lord of Secrets would deal combat damage to a player, instead put that many +1/+1 counters on Szadek and that player mills that many cards.

Sewer Nemesis

As Sewer Nemesis enters the battlefield, choose a player.
Sewer Nemesis’s power and toughness are each equal to the number of cards in the chosen player’s graveyard.
Whenever the chosen player casts a spell, that player mills a card.

Shared Trauma

Join forces — Starting with you, each player may pay any amount of mana. Each player mills X cards, where X is the total amount of mana paid this way.

Memory Erosion

Whenever an opponent casts a spell, that player mills two cards.

Windgrace Acolyte

Flying
When Windgrace Acolyte enters the battlefield, mill three cards and you gain 3 life.

The Mending of Dominaria

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Mill two cards, then you may return a creature card from your graveyard to your hand.
III — Return all land cards from your graveyard to the battlefield, then shuffle your graveyard into your library.

The Mending of Dominaria

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Mill two cards, then you may return a creature card from your graveyard to your hand.
III — Return all land cards from your graveyard to the battlefield, then shuffle your graveyard into your library.

Diligent Excavator

Whenever you cast a historic spell, target player mills two cards. (Artifacts, legendaries, and Sagas are historic.)

Homarid Explorer

When Homarid Explorer enters the battlefield, target player mills four cards.

World Shaper

Whenever World Shaper attacks, you may mill three cards.
When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

World Shaper

Whenever World Shaper attacks, you may mill three cards.
When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

World Shaper

Whenever World Shaper attacks, you may mill three cards.
When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

Very Cryptic Command

Choose two —
• Counter target black-bordered spell.
• Return target creature to its owner’s hand.
• Untap each permanent you control with a watermark.
• Roll two six-sided dice. Target player mills X cards, where X is the total of those results.

Hypnotic Swirly Disc

Whenever you crank Hypnotic Swirly Disc, target player mills X cards, where X is the number of creatures you control.

Numbing Jellyfish

When this creature enters the battlefield, roll a six-sided die. Target player mills X cards, where X is the result.

Jace, Vryn’s Prodigy // Jace, Telepath Unbound

: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn’s Prodigy, then return him to the battlefield transformed under his owner’s control.