Monitor Monitor 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
When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.) Once each turn, you may payto reroll one or more dice you rolled.
Complete guide
Monitor Monitor is a versatile blue creature that ensures your luck never runs dry by providing a safety net for your dice rolls. Not only does it help you expand your park by opening an Attraction, but it also allows you to manipulate fate for a small mana fee. Whether you are rolling for Attractions or planar effects, this Human Employee has you covered.
Opening Attractions and Rerolling
When Monitor Monitor enters the battlefield, its triggered ability lets you open the top card of your Attraction deck. Once it is on the field, its static ability grants you the power to pay {1} to reroll one or more dice you just rolled. This ability is limited to once each turn, so timing is crucial to maximize its value.
Step-by-Step Resolution
First, you roll your die or dice as required by an effect. Immediately after seeing the result, you must decide whether to use Monitor Monitor’s ability; you cannot wait until later in the turn to change your mind. If you choose to use it, you pay {1} and select any number of those specific dice to reroll. If you rolled multiple dice simultaneously, that single payment covers all rerolls for that specific event.
Timing and Multiple Instances
A common mistake is thinking you must pay {1} for every individual die in a large roll, but one payment covers the whole set. Additionally, if you control multiple copies of Monitor Monitor, each one provides its own 'once per turn' instance of the ability. You can use two different Monitor Monitors to reroll the same die twice if the first reroll is still unsatisfactory.
When to Play Monitor Monitor
Deploy Monitor Monitor when your strategy relies heavily on high-stakes rolls or when you need to jumpstart your Attraction engine. Because it works on any die roll—including the planar die in Planechase—it serves as an excellent utility piece for any deck that embraces the variance of the game.
Interaction examples
If you have Roaming Throne on the battlefield with 'Human' or 'Employee' chosen, Monitor Monitor's enters-the-battlefield ability triggers twice. You will open two Attractions from your Attraction deck instead of one. Note that Roaming Throne does not double the reroll ability, as the reroll is a static ability allowing a special action, not a triggered ability.
While Solemn Simulacrum helps fix your mana and draw cards, Monitor Monitor ensures you have the blue mana and the extra {1} available to protect your rolls. If an effect causes you to roll a die while both are out, you can use the land fetched by the Simulacrum to pay for a Monitor Monitor reroll, ensuring your game plan stays on track.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Monitor Monitor
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
You decide whether to use Monitor Monitor’s ability right after you monitor the result of the die roll. You can’t wait and use it to reroll that die later.
No other card is named in this ruling.
- #2· Wizards of the Coast
If you roll multiple dice at the same time, paying
will let you reroll any number of those dice. You don’t have to pay
per die.
No other card is named in this ruling.
- #3· Wizards of the Coast
If you control multiple Monitor Monitors, you may use each of them once each turn. You may use multiple Monitor Monitors on the same die roll if you wish.
No other card is named in this ruling.
- #4· Wizards of the Coast
You can use Monitor Monitor’s reroll ability on any die roll, including a roll of the planar die in a Planechase game.
No other card is named in this ruling.
Legal formats
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Meta decks with Monitor Monitor
No archived Top 8 deck with this card yet.



Roaming Throne
Solemn Simulacrum