
When this creature enters, untap target artifact or creature you control.
Corridor Monitor has 2 printings, first in Throne of Eldraine (2019). EDHREC ranks it #9,112 among Commander cards. It appears most in Arcum Dagsson decks (2,099 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.