At the beginning of your end step, put an influence counter on Palantír of Orthanc and scry 2. Then target opponent may have you draw a card. If that player doesn't, you mill X cards, where X is the number of influence counters on Palantír of Orthanc, and that player loses life equal to the total mana value of those cards.

Delirium — Patchwork Beastie can't attack or block unless there are four or more card types among cards in your graveyard.

At the beginning of your upkeep, you may mill a card. (You may put the top card of your library into your graveyard.)

When Patient Naturalist enters, mill three cards. Put a land card from among the milled cards into your hand. If you can't, create a Treasure token. (To mill three cards, put the top three cards of your library into your graveyard.)

: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.

, : Target player mills three cards. (They put the top three cards of their library into their graveyard.)

, : Target player mills a card. (They put the top card of their library into their graveyard.)

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

Indestructible

As long as your devotion to blue and black is less than seven, Phenax isn't a creature.

Creatures you control have ": Target player mills X cards, where X is this creature's toughness."

Target player mills two cards. Draw two cards.

Port of Karfell enters tapped.

: Add .

, , Sacrifice Port of Karfell: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)

Whenever you cast your first enchantment spell each turn, create a 2/2 white Nymph enchantment creature token.

At the beginning of each combat, if you control five or more enchantments, Psemilla, Meletian Poet gets +4/+4 and gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)

Target player mills X cards and you gain X life.

Counter target spell. Its controller mills two cards.

Trample

Rampant Frogantua gets +10/+10 for each player who has lost the game.

Whenever Rampant Frogantua deals combat damage to a player, you may mill that many cards. Put any number of land cards from among them onto the battlefield tapped.

When Ravenous Gigamole enters, mill three cards. You may put a creature card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Ravenous Gigamole. (To mill a card, put the top card of your library into your graveyard.)

, : Target opponent mills three cards. Put a land card from their graveyard onto the battlefield tapped under your control. It gains "If this land would leave the battlefield, exile it instead of putting it anywhere else."

, , Sacrifice Realmbreaker, the Invasion Tree: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle.

Defender

When Reito Sentinel enters, target player mills three cards. (They put the top three cards of their library into their graveyard.)

: Put target card from a graveyard on the bottom of its owner's library.

Flying

When Renegade Reaper enters, mill four cards. If at least one Angel card is milled this way, you gain 4 life.(To mill a card, put the top card of your library into your graveyard.)

When Returned Centaur enters, target player mills four cards.

Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get (two energy counters).

Pay : Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.

Rex has all activated abilities of all cards in exile with brain counters on them.

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

Mill three cards, then return a land card or Elf card from your graveyard to your hand. If you can't, draw a card. (To mill a card, put the top card of your library into your graveyard.)

Rot Farm Skeleton can't block.

, Mill four cards: Return Rot Farm Skeleton from your graveyard to the battlefield. Activate only as a sorcery.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Whenever another blue creature you control enters, target player mills two cards.

Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent mills a card. Then put the cards you revealed this way on the bottom of your library in any order.

Ward—Discard an enchantment, instant, or sorcery card.

Whenever you cast your second spell each turn, each opponent mills two cards. When one or more cards are milled this way, exile target enchantment, instant, or sorcery card with equal or lesser mana value than that spell from an opponent's graveyard. Copy the exiled card. You may cast the copy without paying its mana cost.

Mill three cards. Then you may return a creature or land card from your graveyard to your hand.

Exile this card and two other cards named Say Its Name from your graveyard: Search your graveyard, hand, and/or library for a card named Altanak, the Thrice-Called and put it onto the battlefield. If you search your library this way, shuffle. Activate only as a sorcery.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, target player mills two cards. (They put the top two cards of their library into their graveyard.)

Equipped creature gets +0/+3 and has ", : Target player mills three cards."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flying, menace

Whenever Screeching Scorchbeast attacks, each player gets two rad counters.

Whenever one or more nonland cards are milled, you may create that many 2/2 black Zombie Mutant creature tokens. Do this only once each turn.

When Screeching Skaab enters, mill two cards.

Mill two cards. You may put a permanent card from among the milled cards into your hand. You gain 2 life. (To mill two cards, put the top two cards of your library into your graveyard.)

, , Discard a card: Target player mills three cards.

: Add .

, , Sacrifice Sequestered Stash: Mill five cards. Then you may put an artifact card from your graveyard on top of your library.

Flash

At the beginning of your upkeep, each player mills three cards. You may exile a creature card from among the cards milled this way. If you do, Shadow Kin becomes a copy of that card, except it has this ability.

Sacrifice Shambling Shell: Put a +1/+1 counter on target creature.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

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.

Destroy target artifact.

Dredge 1 (If you would draw a card, you may mill a card instead. If you do, return this card from your graveyard to your hand.)

Shriekhorn enters with three charge counters on it.

, Remove a charge counter from Shriekhorn: Target player mills two cards.

Whenever Sidisi, Brood Tyrant enters or attacks, mill three cards.

Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.

, Pay 1 life, Mill a card, Discard a card, Sacrifice Sinister Concoction: Destroy target creature.

, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.)

Choose a Background (You can have a Background as a second commander.)

Whenever a land card is put into your graveyard from anywhere, you gain 1 life.

: Mill a card. (Put the top card of your library into your graveyard.)

Trample

Whenever Sludge Titan enters or attacks, mill five cards. You may put a creature card and/or a land card from among them into your hand.

When Snooping Newsie enters, mill two cards. (Put the top two cards of your library into your graveyard.)

As long as there are five or more mana values among cards in your graveyard, Snooping Newsie gets +1/+1 and has lifelink.

Mill four cards. Whenever a creature attacks this turn, it gets +1/+0 until end of turn for each creature card put into your graveyard this way.

Flying

, Return a land you control to its owner's hand: Target player mills two cards.

Flying

When Sphinx Mindbreaker enters, each opponent mills ten cards.

Trample

Splinterfright's power and toughness are each equal to the number of creature cards in your graveyard.

At the beginning of your upkeep, mill two cards. (Put the top two cards of your library into your graveyard.)

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Stern Mentor is paired with another creature, each of those creatures has ": Target player mills two cards."

, : Each player mills three cards. Exile up to two creature cards put into graveyards this way. Create an X/X blue Zombie creature token, where X is the total power of the cards exiled this way.