Dazzling Theater // Prop Room 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
Creature spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a creature spell pays foror one mana of that creature's color.) (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.) Untap each creature you control during each other player's untap step. (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.)
Complete guide
Dazzling Theater // Prop Room is a versatile Room enchantment from Duskmourn: House of Horror that provides incredible utility for creature-heavy decks. Whether you are using your board to accelerate into massive threats or ensuring your defenders are always ready, this card offers powerful board control through its two distinct doors.
What it Does
As a Room card, you choose one half to cast, which enters the battlefield with that 'door' unlocked. Dazzling Theater grants all your creature spells convoke, allowing you to tap creatures to pay for generic or colored mana of their colors. Prop Room, the other half, ensures that all your creatures untap during every other player's untap step, effectively giving your entire board pseudo-vigilance and enabling repeated use of tap abilities.
How it Resolves Step by Step
When you cast a Room, you choose the door you want to unlock. If you cast Dazzling Theater, it enters with that ability active. While on the battlefield, you can pay the mana cost of the locked door (Prop Room) as a sorcery to unlock it. Once both are unlocked, the card has the names and abilities of both sides. When casting a creature with convoke, you first calculate the total cost, then tap any number of creatures to pay for it. Each creature tapped pays for {1} or one mana of that creature's color.
Common Mistakes
A common mistake is trying to tap a creature for a mana ability and convoke at the same time; if you sacrifice or tap a creature to activate a mana ability while casting a spell, it isn't available to be tapped for convoke. Additionally, remember that while a Room is in your hand or graveyard, its mana value is the sum of both halves (7 in this case). However, Prop Room's untap effect is mandatory; you cannot choose to keep a creature tapped unless an external effect prevents it from untapping specifically during other players' turns.
When to Play It
Play Dazzling Theater when you have a wide board of small creatures to cheat out high-cost threats. The convoke ability is particularly effective for bypassing commander tax or casting massive Eldrazi. Switch to unlocking Prop Room when you need to maintain a defense, as it allows you to attack during your turn and still have blockers ready for every single opponent's combat phase.
Interaction examples
Eldrazi ConscriptionWith Dazzling Theater unlocked, your creature spells gain convoke. However, note that Eldrazi Conscription is an Enchantment, not a creature spell. If you were casting a creature like a generic Eldrazi titan, you could tap your creatures to pay for it. Dazzling Theater does not grant convoke to Eldrazi Conscription because it only affects creature spells.
Echoes of EternityIf you have Echoes of Eternity on the battlefield and cast a colorless spell, it gets copied. If Dazzling Theater is unlocked, your colorless creature spells will have convoke, making them easier to cast. Echoes of Eternity will then copy that creature spell, resulting in two creatures entering the battlefield for the price of one (plus whatever creatures you tapped for convoke).
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Dazzling Theater // Prop Room
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
If you sacrifice Dazzling Theater while casting a creature spell (to activate a mana ability, for example), the spell won't have convoke when you pay its costs unless it has convoke some other way.
No other card is named in this ruling.
- #2· Wizards of the Coast
You can tap any untapped creature you control to convoke a spell, even one you haven't controlled continuously since the beginning of your most recent turn.
No other card is named in this ruling.
- #3· Wizards of the Coast
When calculating a spell's total cost, include any alternative costs, additional costs, or anything else that increases or reduces the cost to cast the spell. Convoke applies after the total cost is calculated. Convoke doesn't change a spell's mana cost or mana value.
No other card is named in this ruling.
- #4· Wizards of the Coast
If a creature you control has a mana ability with
in the cost, activating that ability while casting a spell with convoke will result in the creature being tapped before you pay the spell's costs. You won't be able to tap it again for convoke. Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for convoke.No other card is named in this ruling.
- #5· Wizards of the Coast
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.
No other card is named in this ruling.
- #6· Wizards of the Coast
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.
No other card is named in this ruling.
- #7· Wizards of the Coast
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.
No other card is named in this ruling.
- #8· Wizards of the Coast
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.
No other card is named in this ruling.
- #9· Wizards of the Coast
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.
No other card is named in this ruling.
- #10· Wizards of the Coast
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.
No other card is named in this ruling.
- #11· Wizards of the Coast
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.
No other card is named in this ruling.
- #12· Wizards of the Coast
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.
No other card is named in this ruling.
- #13· Wizards of the Coast
If a Room enters from any zone other than the stack, it will enter with both halves locked.
No other card is named in this ruling.
- #14· Wizards of the Coast
If neither door of a Room is unlocked, it's a Room enchantment with no name and no abilities.
No other card is named in this ruling.
- #15· Wizards of the Coast
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.
No other card is named in this ruling.
- #16· Wizards of the Coast
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.
No other card is named in this ruling.
- #17· Wizards of the Coast
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.
No other card is named in this ruling.
- #18· Wizards of the Coast
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.
No other card is named in this ruling.
- #19· Wizards of the Coast
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.
No other card is named in this ruling.
- #20· Wizards of the Coast
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.
No other card is named in this ruling.
- #21· Wizards of the Coast
Some effects can prevent creatures from untapping during an untap step. However, effects that stop a creature from untapping "during your untap step" or "during its controller's untap step" won't stop that creature from untapping during another player's untap step, and as such, Prop Room's ability will cause that creature to untap.
No other card is named in this ruling.
- #22· Wizards of the Coast
All of your creatures untap during each other player's untap step if Prop Room is unlocked. You have no choice about what untaps unless another effect says otherwise.
No other card is named in this ruling.
Popular combos
Real combos played by the community, sorted by popularity.
Oketra's Monument + Dazzling Theater // Prop Room + Whitemane Lion
- 1Cast Whitemane Lion by paying
or by tapping a white creature. - 2Oketra's Monument triggers, creating a 1/1 Warrior creature token.
- 3Resolve the Whitemane Lion spell.
- 4When Whitemane Lion enters the battlefield, it triggers, returning itself from the battlefield to your hand.
- 5Repeat.
Oketra's Monument + Dazzling Theater // Prop Room + Kor Skyfisher
- 1Cast Kor Skyfisher by paying or by tapping a white creature.
- 2Oketra's Monument triggers, creating a 1/1 Warrior creature token.
- 3Resolve the Kor Skyfisher spell.
- 4When Kor Skyfisher enters the battlefield, it triggers, returning itself from the battlefield to your hand.
- 5Repeat.
Appa, Steadfast Guardian + Dazzling Theater // Prop Room + Restoration Angel
- 1Cast Appa either from your hand or from the command zone by paying
plus commander tax, if applicable. - 2When Appa enters, its first ability triggers, exiling Restoration Angel with the ability to cast it later from exile.
- 3Cast Restoration Angel from exile by paying and tapping Appa.
- 4Appa's second ability triggers, creating a 1/1 Ally creature token.
- 5When Restoration Angel enters, it triggers, blinking Appa.
- 6When Appa enters, its first ability triggers, exiling Restoration Angel with the ability to cast it later from exile.
- 7Cast Restoration Angel from exile by paying
and tapping Appa and the Ally token. - 8Repeat from step 4.
Appa, Steadfast Guardian + Dazzling Theater // Prop Room + Felidar Guardian
- 1Cast Appa either from your hand or from the command zone by paying plus commander tax, if applicable.
- 2When Appa enters, its first ability triggers, exiling Felidar Guardian with the ability to cast it later from exile.
- 3Cast Felidar Guardian from exile by paying and tapping Appa.
- 4Appa's second ability triggers, creating a 1/1 Ally creature token.
- 5When Felidar Guardian enters, it triggers, blinking Appa.
- 6When Appa enters, its first ability triggers, exiling Felidar Guardian with the ability to cast it later from exile.
- 7Cast Felidar Guardian from exile by paying and tapping Appa and the Ally token.
- 8Repeat from step 4.
Dazzling Theater // Prop Room + Arachne, Psionic Weaver + Spider-Man, Web-Slinger
- 1Cast Arachne for its web-slinging cost, tapping Spider-Man to convoke the spell through Dazzling Theater and then returning Spider-Man from the battlefield to your hand.
- 2Cast Spider-Man for its web-slinging cost, tapping Arachne to convoke the spell through Dazzling Theater and then returning Arachne from the battlefield to your hand.
- 3Repeat.
Dazzling Theater // Prop Room + Intruder Alarm + Venser, Shaper Savant
- 1Cast Venser by tapping a number of creatures and paying .
- 2When Venser enters the battlefield, it and Intruder Alarm trigger.
- 3Resolve the Venser trigger, returning it from the battlefield to your hand.
- 4Resolve the Intruder Alarm trigger, untapping all creatures.
- 5Repeat.
Appa, Steadfast Guardian + Dazzling Theater // Prop Room + Icewind Stalwart
- 1Cast Appa either from your hand or from the command zone by paying plus commander tax, if applicable.
- 2When Appa enters, its first ability triggers, exiling Icewind Stalwart with the ability to cast it later from exile.
- 3Cast Icewind Stalwart from exile by paying and tapping Appa.
- 4Appa's second ability triggers, creating a 1/1 Ally creature token.
- 5When Icewind Stalwart enters, it triggers, blinking Appa.
- 6When Appa enters, its first ability triggers, exiling Icewind Stalwart with the ability to cast it later from exile.
- 7Cast Icewind Stalwart from exile by paying and tapping Appa and the Ally token.
- 8Repeat from step 4.
Dazzling Theater // Prop Room + Intruder Alarm + Shrieking Drake
- 1Cast Shrieking Drake by tapping a number of creatures and paying .
- 2When Shrieking Drake enters the battlefield, it and Intruder Alarm trigger.
- 3Resolve the Shrieking Drake trigger, returning it from the battlefield to your hand.
- 4Resolve the Intruder Alarm trigger, untapping all creatures.
- 5Repeat.
Legal formats
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Meta decks with Dazzling Theater // Prop Room
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