The Key to the Vault
The Key to the Vault: Legendary Artifact - Equipment, Outlaws of Thunder Junction. Printings, market prices, rulings, and format legality on Mana Grove.
- Mana cost
- {1}{U}
- Mana value
- 2
- Type
- Legendary Artifact - Equipment
- Colour identity
- Blue (U)
- Rarity
- Rare
- Set
- Outlaws of Thunder Junction (OTJ)
- Released
- 2024-04-19
- Collector number
- 54
- Artist
- Leon Tukker
- Keywords
- Equip
Build around this card with Grover
About The Key to the Vault
The Key to the Vault is a Magic: The Gathering card, a rare blue legendary artifact from Outlaws of Thunder Junction (OTJ), an expansion set released in April 2024. It is collector number 54 in that set, with art by Leon Tukker. It costs {1}{U} (one generic and one blue mana) to cast, for a mana value of 2. Its colour identity is blue. It is legal in Standard, Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander, Oathbreaker, Brawl, Standard Brawl, Historic, Timeless, Gladiator and Penny Dreadful. It has been printed in 2 sets. The latest aggregated market price for this printing is $0.66 (normal finish, as of 2026-10-23).
Card text
Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library. You may exile a nonland card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost.
Equip {2}{U}
Market price
Latest aggregated market price for the normal finish of this printing: $0.66 (as of 2026-10-23).
The figure covers this printing only; other printings carry their own price on their own page.
Format legality
Legality of The Key to the Vault by format. Formats in which it is not legal are not listed.
| Standard | Legal |
|---|---|
| Pioneer | Legal |
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Oathbreaker | Legal |
| Brawl | Legal |
| Standard Brawl | Legal |
| Historic | Legal |
| Timeless | Legal |
| Gladiator | Legal |
| Penny Dreadful | Legal |
Other printings of The Key to the Vault
The Key to the Vault has been printed in 2 sets. The other printings are listed newest first, with the rarity and release year of each.
| Printing | Rarity | Year |
|---|---|---|
| Outlaws of Thunder Junction (OTJ) #320 | Rare | 2024 |
| Outlaws of Thunder Junction (OTJ) #373 | Rare | 2024 |
| Outlaws of Thunder Junction Promos (POTJ) #54p | Rare | 2024 |
| Outlaws of Thunder Junction Promos (POTJ) #54s | Rare | 2024 |
Official rulings
Three official rulings apply to The Key to the Vault, newest first.
- If you cast a spell “without paying its mana cost,” you can’t choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the spell has any mandatory additional costs, those must be paid to cast the spell.
- You choose whether to cast the exiled card as The Key to the Vault’s triggered ability resolves. If you do, you do so as part of the resolution of that ability. You can’t wait to cast it later in the turn. Timing restrictions based on the card’s types are ignored.
- If the spell you cast has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
Similar cards
Other artifact cards with a blue colour identity, ranked by how often they appear in Commander decks.