Keyword: Mill

: Add .
, Pay 1 life: Add .
, , Sacrifice a Desert: Target player mills four cards.

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

Return target nonland permanent to its owner’s hand. Each player mills two cards.

Target player mills five cards.
Cycling (, Discard this card: Draw a card.)

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

Whenever a permanent becomes untapped, that permanent’s controller mills a card.

Equipped creature gets +2/+2 and has protection from green and from blue.
Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.
Equip

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
: Put target artifact or creature card with converted mana cost X from an opponent’s graveyard onto the battlefield under your control tapped. Then that player mills X cards.

Equipped creature gets +2/+2 and has protection from green and from blue.
Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.
Equip

Whenever Towering-Wave Mystic deals damage, target player mills that many cards.

Draw three cards. Target player mills three cards.

When Wailing Ghoul enters the battlefield, mill two cards.

Deathtouch
When Mire Triton enters the battlefield, mill two cards and you gain 2 life.

Flying
Whenever a source deals damage to Belltower Sphinx, that source’s controller mills that many cards.

Whenever Selhoff Occultist or another creature dies, target player mills a card.

, : Target player mills two cards.

Target player mills two cards.
Draw a card.

Counter target spell. Its controller mills three cards.

You draw two cards, lose 2 life, then mill two cards.

If an opponent would mill one or more cards, they mill twice that many cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

Defender
When Wall of Lost Thoughts enters the battlefield, target player mills four cards.

Whenever you cast a blue spell, target player mills two cards.

When Teferi’s Tutelage enters the battlefield, draw a card, then discard a card.
Whenever you draw a card, target opponent mills two cards. (They put the top two cards of their library into their graveyard.)

Carrion Grub gets +X/+0, where X is the greatest power among creature cards in your graveyard.
When Carrion Grub enters the battlefield, mill four cards. (Put the top four cards of your library into your graveyard.)

Flash
Whenever Thieves’ Guild Enforcer or another Rogue enters the battlefield under your control, each opponent mills two cards.
As long as an opponent has eight or more cards in their graveyard, Thieves’ Guild Enforcer gets +2/+1 and has deathtouch.