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Mirror Room // Fractured Realm (67)

DSK · Duskmourn: House of Horror · mythic

Mana cost
Mana value	10.0
Type	Enchantment — Room
Rarity	mythic
Colors	U
EDHREC rank	2807

If a triggered ability of a permanent you control triggers, that ability triggers an additional time. (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

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Duskmourn: House of Horror $4.45 Duskmourn: House of Horror $4.45 Duskmourn: House of Horror $3.66 Duskmourn: House of Horror $3.66 Duskmourn: House of Horror Promos $2.20 Duskmourn: House of Horror Promos $2.20 Duskmourn: House of Horror Promos — Duskmourn: House of Horror Promos —

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Legality

Rulings

• 2024-09-20: If the copied creature is a token, the token that's created copies the original characteristics of that token as stated by the effect that created that token, with the stated exception.
• 2024-09-20: Each Room card is a single card. For example, if you discard a Room card, you've discarded one card, not two. If an effect counts the number of enchantment cards in your graveyard, Bottomless Pool // Locker Room counts once, not twice.
• 2024-09-20: While on the battlefield, a Room's characteristics are a combination of the characteristics of its unlocked doors. For example, if Bottomless Pool // Locker Room is on the battlefield with both doors unlocked, its names are Bottomless Pool and Locker Room, its mana value is 6, it's a Room Enchantment, and it has the abilities in each door's text box.
• 2024-09-20: If a spell or ability would create a copy of a Room spell on the stack, the copy retains the choice of which door was cast but also retains the full characteristics of the spell. The characteristics of the door that wasn't cast are still ignored while the copy is on the stack, and when the copy resolves, the token it becomes will enter with the appropriate door unlocked.
• 2024-09-20: Any time you have priority during a main phase of your turn and the stack is empty, you may pay the mana cost of a locked door (also called its "unlock cost"). That door becomes unlocked. This is a special action. It doesn't use the stack and can't be responded to.
• 2024-09-20: If the copied creature is copying something else, then the token enters as whatever that creature copied, with the stated exception.
• 2024-09-20: If neither door of a Room is unlocked, it's a Room enchantment with no name and no abilities.
• 2024-09-20: An ability that triggers "when you unlock this door" triggers when that door becomes unlocked. This can happen one of two ways: (1) the door becomes unlocked on the battlefield or (2) the door becomes unlocked as the Room enters the battlefield because you cast the corresponding half. In the latter case, since the door becoming unlocked is what causes the ability to trigger, effects that cause abilities that trigger when a permanent enters to trigger an additional time (such as that of Panharmonicon) won't apply.
• 2024-09-20: Except for the stated exception, the token created by Mirror Room's ability copies exactly what was printed on the original creature and nothing else (unless that creature is copying something else or is a token; see below). It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on.
• 2024-09-20: Room cards have two card faces with a shared type line on a single card. The characteristics of the door you didn't cast are ignored while the spell is on the stack.
• 2024-09-20: Fractured Realm's ability doesn't copy the triggered ability; it just causes the ability to trigger an additional time. Any choices made as you put the ability onto the stack, such as modes and targets, are made separately for each instance of the ability. Any choices made on resolution, such as whether to put counters on a permanent, are also made individually.
• 2024-09-20: Some abilities allow you to lock a door of a Room you control. You can't choose to lock a door that's already locked with such an ability. If such an ability requires a target, you can target a Room even if both of its doors are locked, but the ability won't do anything when it resolves.
• 2024-09-20: If a triggered ability is linked to a second ability, additional instances of that triggered ability are also linked to that second ability. If the second ability refers to "the exiled card," it refers to all cards exiled by instances of the triggered ability.
• 2024-09-20: In some cases involving linked abilities, an ability requires information about "the exiled card." When this happens, the ability gets multiple answers. If these answers are being used to determine the value of a variable, the sum is used. For example, if Elite Arcanist's enters-the-battlefield ability triggers twice, two cards are exiled. The value of X in the activation cost of Elite Arcanist's other ability is the sum of the two cards' mana values. As the ability resolves, you create copies of both cards and can cast none, one, or both of the copies in any order.
• 2024-09-20: Abilities that apply "as [this creature] enters" or "as [this creature] is turned face up" are also unaffected by Fractured Realm's ability.
• 2024-09-20: If an effect allows you to cast a spell with certain characteristics, consider only the characteristics of the door you're casting. For example, if an effect allows you to cast a permanent spell with mana value 3 or less from among cards in your graveyard, you could cast Bottomless Pool this way, but not Locker Room.
• 2024-09-20: If a Room enters from any zone other than the stack, it will enter with both halves locked.
• 2024-09-20: Abilities that apply "when [this creature] is turned face up" will trigger an additional time due to Fractured Realm's ability.
• 2024-09-20: Some doors have abilities that trigger whenever you unlock that door and require one or more targets. You can unlock that door even if there would be insufficient legal targets for that triggered ability. The triggered ability won't go on the stack.
• 2024-09-20: Each Room card has two names. If an effect instructs you to choose a card name, you may choose one of those names, but not both.
• 2024-09-20: To cast a Room spell, choose a half (or "door") to cast. There's no way to cast both halves of a Room card. When the Room spell resolves, the corresponding door becomes unlocked as the Room enters.
• 2024-09-20: Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities are triggered abilities and will have "when," "whenever," or "at the beginning of" in their reminder text.
• 2024-09-20: An ability that triggers "whenever you fully unlock a Room" triggers when a door becomes unlocked and the other door of that Room is already unlocked, or when both doors of that Room become unlocked simultaneously.
• 2024-09-20: Replacement effects are unaffected by Fractured Realm's ability. For example, a 1/1 creature that enters under your control "with a +1/+1 counter on it" won't receive an additional +1/+1 counter.
• 2024-09-20: Any enters abilities of the copied creature will trigger when the token enters. Any "as [this creature] enters" or "[this creature] enters with" abilities of the copied creature will also work.
• 2024-09-20: Some abilities allow you to unlock a door of a Room you control. You can't choose to unlock a door that's already unlocked with such an ability. If such an ability requires a target, you can target a Room even if both of its doors are unlocked, but the ability won't do anything when it resolves.
• 2024-09-20: While in any zone other than the stack or the battlefield, a Room card's characteristics are a combination of its two doors. For example, Bottomless Pool // Locker Room has a mana value of 6 while it's in your library. If an effect allows you to search your library for a card with mana value 4 or less, you can't find Bottomless Pool // Locker Room.
• 2024-09-20: If the copied creature has {X} in its mana cost, X is 0.

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