Xantcha, Sleeper Agent — ruling 1

In a multiplayer game, if Xantcha's owner leaves the game, Xantcha leaves the game with them. If Xantcha's controller leaves the game, Xantcha is exiled. This is a change from previous rulings due to Xantcha's updated wording.

Xantcha, Sleeper Agent — ruling 2

Xantcha's first ability is a replacement effect that modifies how it enters the battlefield, not a triggered ability. Players can't take actions (such as activating its last ability) while Xantcha's on the battlefield before it's controlled by another player.

Xantcha, Sleeper Agent — ruling 3

If Xantcha can't attack for any reason (such as being tapped or having come under that player's control that turn), then it doesn't attack. If there's a cost associated with having it attack, the player isn't forced to pay that cost, so it doesn't have to attack in that case either.

Xantcha, Sleeper Agent — ruling 4

The player who draws a card when Xantcha's last ability resolves is the player who activated the ability.

Xantcha, Sleeper Agent — ruling 5

Xantcha's controller may activate its last ability. In this case, the same player loses 2 life and draws a card.

Xantcha, Sleeper Agent — ruling 6

If a player creates a token that's a copy of Xantcha, the player who creates the token is its owner, not the player under whose control it enters the battlefield. This is a change from previous rules.

Xantcha, Sleeper Agent : règles, fonctionnement et interactions (MTG)

Xantcha, Sleeper Agent 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

Xantcha enters under the control of an opponent of your choice. Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls. : Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.

Complete guide

Xantcha, Sleeper Agent is a political powerhouse that forces your opponents to deal with a threat of your making. By entering the battlefield under an opponent's control, she creates a unique dynamic where everyone at the table has an interest in her survival—or her activated ability.

A Gift for Your Opponents

Xantcha, Sleeper Agent has a replacement effect that changes how she enters the battlefield. Instead of entering under your control, you choose an opponent, and she enters under theirs. Once there, she is forced to attack each combat if able, but she has a specific restriction: she can never attack you or any planeswalkers you control. This makes her a permanent source of pressure against your other enemies while keeping you safe from her 5/5 stats.

Resolution and Activation

The most important part of Xantcha is her activated ability. For three generic mana, any player—including you, the owner—can cause Xantcha's controller to lose 2 life while the player who activated the ability draws a card. It is important to remember that Xantcha's controller can also activate this ability to draw a card, though they will still lose 2 life in the process. Because this is a replacement effect and not a triggered ability, there is no window for players to act before she is already under an opponent's control.

Common Pitfalls

A common mistake involves combat restrictions. If Xantcha has summoning sickness or is tapped, she simply doesn't attack; her 'attacks each combat if able' clause doesn't override the basic rules of MTG. Additionally, if the owner of Xantcha leaves a multiplayer game, Xantcha leaves with them. If her current controller leaves the game instead, Xantcha is exiled rather than returning to her owner.

When to Play Xantcha

Xantcha is best played when you can afford the three-mana investment to start drawing cards or when an opponent is low on life. Since anyone can pay for her ability, she often becomes a mana sink for the entire table to chip away at the player who controls her. She is particularly effective in Commander games to break stalemates.

Interaction examples

Drawing Cards with Xantcha

You cast Xantcha and choose Opponent A to control her. During your next turn, you spend 3 mana to activate her ability. Because you are the player who activated it, Opponent A loses 2 life and you draw one card. If Opponent A has 6 mana available, they could activate it twice themselves to draw two cards, but they would lose 4 life.

Interaction with Triggered Abilities

Roaming Throne

If you control Roaming Throne and chose 'Phyrexian' or 'Minion', you might expect Xantcha's ability to trigger twice. However, Xantcha's card draw and life loss is an activated ability (indicated by the colon ':'), not a triggered ability. Therefore, Roaming Throne does not cause you to draw extra cards or cause extra life loss when someone activates Xantcha.

Blocking Strategies

Solemn Simulacrum

If Opponent A controls Xantcha and attacks Opponent B, Opponent B may block with Solemn Simulacrum. When Solemn Simulacrum dies, its owner (Opponent B) draws a card. Xantcha remains on the battlefield under Opponent A's control, ready to be 'drained' by other players' mana on subsequent turns.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Xantcha, Sleeper Agent

Original English text — Wizards of the Coast / Scryfall

#1August 23, 2019· Wizards of the Coast
In a multiplayer game, if Xantcha's owner leaves the game, Xantcha leaves the game with them. If Xantcha's controller leaves the game, Xantcha is exiled. This is a change from previous rulings due to Xantcha's updated wording.
No other card is named in this ruling.
#2July 13, 2018· Wizards of the Coast
Xantcha's first ability is a replacement effect that modifies how it enters the battlefield, not a triggered ability. Players can't take actions (such as activating its last ability) while Xantcha's on the battlefield before it's controlled by another player.
No other card is named in this ruling.
#3July 13, 2018· Wizards of the Coast
If Xantcha can't attack for any reason (such as being tapped or having come under that player's control that turn), then it doesn't attack. If there's a cost associated with having it attack, the player isn't forced to pay that cost, so it doesn't have to attack in that case either.
No other card is named in this ruling.
#4July 13, 2018· Wizards of the Coast
The player who draws a card when Xantcha's last ability resolves is the player who activated the ability.
No other card is named in this ruling.
#5July 13, 2018· Wizards of the Coast
Xantcha's controller may activate its last ability. In this case, the same player loses 2 life and draws a card.
No other card is named in this ruling.
#6July 13, 2018· Wizards of the Coast
If a player creates a token that's a copy of Xantcha, the player who creates the token is its owner, not the player under whose control it enters the battlefield. This is a change from previous rules.
No other card is named in this ruling.