Keyword: Mill

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.

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.

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.

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.

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.

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.

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.)

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

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.

: 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.”

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

Flying
At the beginning of combat on your turn, each player mills three cards.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Each player mills three cards.
II — Exile up to two target cards from graveyards. For each creature card exiled this way, you gain 1 life.
III — Return target creature or land card from your graveyard to your hand.