Knowledge Vault 
Artifact
Oracle text (EN)
Artifact
, 
: Exile the top card of your library face down.
: Sacrifice this artifact. If you do, discard your hand, then put all cards exiled with this artifact into their owner's hand.
When this artifact leaves the battlefield, put all cards exiled with it into their owner's graveyard.
Printing details
- Set
- LEG · 281
- Rarity
- Rare
- Language
- EN
- Artist
- Amy Weber
- Released
- 1994-06-01
- Prices
- €33.68 · $41.77
Price history
The trend shows with at least 7 days of history.
- Cardmarket, trend
- CardTrader, Near Mint minimum (EN)
The history starts on October 28, 2026 and grows every day.
Show the data
| Date | Cardmarket, trend | CardTrader, Near Mint minimum (EN) |
|---|---|---|
| October 28, 2026 | €33.68 | €59.49 |
Prices
| Source | Non-foil | Foil |
|---|---|---|
| Cardmarket | low €29.99 trend €33.68 30-day avg €34.83 | low – trend €0.00 30-day avg – |
| CardTrader (EN) | NM from €59.49 with Zero from €59.49 | NM from – |
| CardTrader (any language) | NM from €59.49 | NM from – |
Cardmarket updated Nov 2, 2026 · CardTrader updated Nov 2, 2026
Buy and look up
Legality
- standard Not legal
- pioneer Not legal
- modern Not legal
- legacy Legal
- vintage Legal
- commander Legal
- pauper Not legal
- alchemy Not legal
- brawl Not legal
- competitivebrawl Not legal
- duel Legal
- future Not legal
- gladiator Not legal
- historic Not legal
- oathbreaker Legal
- oldschool Not legal
- paupercommander Not legal
- penny Not legal
- predh Legal
- premodern Not legal
- standardbrawl Not legal
- timeless Not legal
- tlr Not legal
Rulings
-
You can activate the second ability any time you have priority, including in response to itself. However, you will only be able to sacrifice the Vault as the first such ability resolves.
-
If you activate Knowledge Vault's second ability, all that happens at that time is that you pay a cost of
. As the ability resolves, you must sacrifice Knowledge Vault. This is mandatory. If you are able to do so, you discard your hand and put all cards exiled with Knowledge Vault into their owners' hands. If you aren't able to do so because Knowledge Vault left the battlefield or changed controllers before the ability resolves, nothing happens. -
You don't get to look at the cards exiled with Knowledge Vault.