Compelling Argument

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

Chronic Flooding

Enchant land
Whenever enchanted land becomes tapped, its controller mills three cards.

Counterspell

Sky Diamond

This artifact enters tapped.
{T}: Add {U}.

Fade Away

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.

Jace's Phantasm

Flying
This creature gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Whirlpool Rider

When this creature enters, shuffle the cards from your hand into your library, then draw that many cards.

Curse of the Bloody Tome

Enchant player
At the beginning of enchanted player's upkeep, that player mills two cards.

Thought Scour

Target player mills two cards.
Draw a card.

Island

Persistent Petitioners

{1}, {T}: 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.

Jace's Erasure

Whenever you draw a card, you may have target player mill a card.

Didn't Say Please

Counter target spell. Its controller mills three cards.

Deem Inferior

This spell costs {1} less to cast for each card you've drawn this turn.
The owner of target nonland permanent puts it into their library second from the top or on the bottom.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.