Draw three cards. Target player mills three cards.

, : Target player mills X cards.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Flying

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

Deathtouch

Whenever Winter attacks, mill three cards.

Delirium — At the beginning of your end step, you may exile any number of cards from your graveyard with four or more card types among them. If you do, put a permanent card from among them onto the battlefield with a finality counter on it.

Permanents you control have ward .

At the beginning of your end step, mill two cards, then exile a nonland card at random from your graveyard. Copy it. You may cast the copy without paying its mana cost. (A copy of a permanent spell becomes a token.)

At the beginning of each player's upkeep, that player mills a card.

Lands you control have ": Add one mana of any color."

+1: Up to one target land you control becomes a 3/3 Elemental creature with vigilance, hexproof, and haste until your next turn. It's still a land.

−2: Mill three cards. You may put a permanent card from among the milled cards into your hand.

−7: You get an emblem with "You may play lands and cast permanent spells from your graveyard."

Hive Mind — Whenever a player mills one or more creature cards, you create a 1/1 black Horror creature token.

, : Target player mills three cards.

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

Flash

When Zulaport Duelist enters, up to one target creature gets -2/-0 until end of turn. Its controller mills two cards. (They put the top two cards of their library into their graveyard.)