Keyword: Mill

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.

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may put it into your hand from outside the game for any time you could cast a sorcery.)
When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even converted mana cost from among the milled cards onto the battlefield under your control.

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may put it into your hand from outside the game for any time you could cast a sorcery.)
When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even converted mana cost from among the milled cards onto the battlefield under your control.

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may put it into your hand from outside the game for any time you could cast a sorcery.)
When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even converted mana cost from among the milled cards onto the battlefield under your control.

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may put it into your hand from outside the game for any time you could cast a sorcery.)
When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even converted mana cost from among the milled cards onto the battlefield under your control.

: Add or .
: Mill two cards.

Trample
When Excavation Mole enters the battlefield, mill three cards.

Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser converted mana cost than the creature that died from your graveyard to your hand.
, Sacrifice Death’s Oasis: You gain life equal to the highest converted mana cost among creatures you control.

Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser converted mana cost than the creature that died from your graveyard to your hand.
, Sacrifice Death’s Oasis: You gain life equal to the highest converted mana cost among creatures you control.

Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser converted mana cost than the creature that died from your graveyard to your hand.
, Sacrifice Death’s Oasis: You gain life equal to the highest converted mana cost among creatures you control.

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may put it into your hand from outside the game for any time you could cast a sorcery.)
When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even converted mana cost from among the milled cards onto the battlefield under your control.

Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser converted mana cost than the creature that died from your graveyard to your hand.
, Sacrifice Death’s Oasis: You gain life equal to the highest converted mana cost among creatures you control.

Each other creature you control enters the battlefield with an additional vigilance counter on it.
, Remove three counters from among creatures you control: Mill three cards, then return a permanent card with converted mana cost 3 or less from your graveyard to the battlefield.

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.

When Deadbridge Chant enters the battlefield, mill ten cards.
At the beginning of your upkeep, choose a card at random in your graveyard. If it’s a creature card, put it onto the battlefield. Otherwise, put it into your hand.

Reach
At the beginning of your upkeep, mill two cards.
, Exile Nyx Weaver: Return target card from your graveyard to your hand.

: Target player mills a card. (They put the top card of their library into their graveyard.)
, , Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

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.)

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.”

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

+2: Draw a card. Each player mills two cards.
−5: Put target creature card from a graveyard onto the battlefield under your control.
−11: Gain control of all creatures target opponent controls.

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