Lich's Mastery — ruling 1

While you can’t lose the game, your opponents can still win the game if an effect says so.

Lich's Mastery — ruling 2

While you control Lich’s Mastery, your life total still changes. Lich’s Mastery’s effects don’t replace the life gain or life loss.

Lich's Mastery — ruling 3

You don’t have to exile all the cards from one place. For example, if a source deals 5 damage to you, you may exile one permanent, two cards from hand, and two cards from your graveyard.

Lich's Mastery — ruling 4

If you run out of other permanents, cards in hand, and cards in graveyard, you’ll have to exile Lich’s Mastery itself and lose the game.

Lich's Mastery — ruling 5

If you’re dealt more damage than you have cards to exile, you’ll just exile everything you can.

Lich's Mastery : règles, fonctionnement et interactions (MTG)

Lich's Mastery 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

Hexproof You can't lose the game. Whenever you gain life, draw that many cards. Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard. When Lich's Mastery leaves the battlefield, you lose the game.

How it works : Lich's Mastery

Original English text — Wizards of the Coast / Scryfall

#1April 27, 2018· Wizards of the Coast
While you can’t lose the game, your opponents can still win the game if an effect says so.
No other card is named in this ruling.
#2April 27, 2018· Wizards of the Coast
While you control Lich’s Mastery, your life total still changes. Lich’s Mastery’s effects don’t replace the life gain or life loss.
No other card is named in this ruling.
#3April 27, 2018· Wizards of the Coast
You don’t have to exile all the cards from one place. For example, if a source deals 5 damage to you, you may exile one permanent, two cards from hand, and two cards from your graveyard.
No other card is named in this ruling.
#4April 27, 2018· Wizards of the Coast
If you run out of other permanents, cards in hand, and cards in graveyard, you’ll have to exile Lich’s Mastery itself and lose the game.
No other card is named in this ruling.
#5April 27, 2018· Wizards of the Coast
If you’re dealt more damage than you have cards to exile, you’ll just exile everything you can.
No other card is named in this ruling.