Corridor Monitor Cards
The complete Corridor Monitor checklist: 4 cards — cards spanning 2019–2020.
Data updated June 26, 2026.
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mtg
2020
Double Masters 20201 card
Double Masters 20201 card
2019
Frequently Asked Questions about Corridor Monitor Cards
Does Corridor Monitor have a rookie card?
No confirmed Corridor Monitor rookie cards are currently in the AgentGrail catalog. The catalog covers 4 Corridor Monitor cards in total. Check back as we continue to add new sets.
What years were Corridor Monitor cards made?
The AgentGrail catalog includes Corridor Monitor cards from 2019 through 2020, totaling 4 cards across all sets and brands. The earliest cards date from 2019 and the most recent are from 2020.
What sets include Corridor Monitor cards?
Corridor Monitor cards appear in numerous sets, including Double Masters, Throne of Eldraine. The full checklist on this page lists every set in the AgentGrail catalog.
Where can I buy Corridor Monitor cards?
eBay is the largest marketplace for Corridor Monitor mtg cards, offering both raw and graded (PSA, BGS, SGC) copies. Use the "Find on eBay" buttons on this page to search current listings. For investment-grade copies, look for PSA 10 certified cards.
Answers are grounded in AgentGrail catalog data and recent eBay market comps.
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Compiled by the AgentGrail team · Data refreshed June 26, 2026