Corridor Monitor
Corridor Monitor: Artifact Creature - Construct, Double Masters. When this creature enters, untap target artifact or creature you control. On Mana Grove.
- Mana cost
- {1}{U}
- Mana value
- 2
- Type
- Artifact Creature - Construct
- Colour identity
- Blue (U)
- Power / toughness
- 1/4
- Rarity
- Common
- Set
- Double Masters (2XM)
- Released
- 2020-08-07
- Collector number
- 46
- Artist
- Jason Felix
- Commander rank
- 8,962 (by how often it appears in Commander decks)
Build around this card with Grover
About Corridor Monitor
Corridor Monitor is a Magic: The Gathering card, a common blue artifact creature from Double Masters (2XM), a Masters set released in August 2020. It is collector number 46 in that set, with art by Jason Felix. It costs {1}{U} (one generic and one blue mana) to cast, for a mana value of 2. It is a 1/4 creature. Its colour identity is blue. It is legal in Pioneer, Modern, Legacy, Vintage, Pauper, Commander, Duel Commander, Oathbreaker, Pauper Commander, Brawl, Historic, Timeless, Gladiator and Penny Dreadful. It has been printed in 2 sets, from Throne of Eldraine (2019) to Double Masters (2020). The latest aggregated market price for this printing is $0.18 (normal finish, as of 2026-11-01).
Card text
When this creature enters, untap target artifact or creature you control.
Castle Vantress has no locks on its doors, but interlopers rarely make it past the foyer.
Market price
Latest aggregated market price for the normal finish of this printing: $0.18 (as of 2026-11-01).
The figure covers this printing only; other printings carry their own price on their own page.
Format legality
Legality of Corridor Monitor by format. Formats in which it is not legal are not listed.
| Pioneer | Legal |
|---|---|
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Pauper | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Oathbreaker | Legal |
| Pauper Commander | Legal |
| Brawl | Legal |
| Historic | Legal |
| Timeless | Legal |
| Gladiator | Legal |
| Penny Dreadful | Legal |
Other printings of Corridor Monitor
Corridor Monitor has been printed in 2 sets. The other printings are listed newest first, with the rarity and release year of each.
| Printing | Rarity | Year |
|---|---|---|
| Throne of Eldraine (ELD) #41 | Common | 2019 |
Similar cards
Other artifact creature cards with a blue colour identity, ranked by how often they appear in Commander decks.
In these card lists
These card lists include Corridor Monitor.