Mind Sculpt — ruling 1

You can cast Mind Sculpt no matter how many cards are in the opponent’s library. If there are fewer than seven, the opponent will put all of them into their graveyard.

Mind Sculpt : règles, fonctionnement et interactions (MTG)

Mind Sculpt is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Target opponent mills seven cards.

How it works : Mind Sculpt

Original English text — Wizards of the Coast / Scryfall

#1July 1, 2012· Wizards of the Coast
You can cast Mind Sculpt no matter how many cards are in the opponent’s library. If there are fewer than seven, the opponent will put all of them into their graveyard.
No other card is named in this ruling.

Interactions with other cards

These cards' text mentions Mind Sculpt.

Way of the Mind Sculptor

When Way of the Mind Sculptor enters, empower Jace 5. (Put five loyalty counters on a Jace token you control. If you don't control one, first create a blue Jace planeswalker token with "[−1]: Surveil 1" and "[−3]: Draw a card.") Whenever you activate a loyalty ability, if you removed two or more loyalty counters to activate it, draw a card.