Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
Not Buying
![Corridor Monitor [Double Masters]](https://cdn.shopify.com/s/files/1/0267/9501/6251/products/39274d9b-fee3-5f89-a719-37699965cf1f_4ced913e-01b8-42c4-97ae-070eeb1277cd.jpg?v=1700195570)
Corridor Monitor [Double Masters]
| Set: | Double Masters |
| Type: | Artifact Creature — Construct |
| Rarity: | Common |
| Cost: | 1U |
| Colors: | U |
When Corridor Monitor enters the battlefield, untap target artifact or creature you control.
Castle Vantress has no locks on its doors, but interlopers rarely make it past the foyer.