
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}
The Key to the Vault has 5 printings, first in Outlaws of Thunder Junction (2024). EDHREC ranks it #2,222 among Commander cards. It appears most in Jin Sakai, Ghost of Tsushima decks (5,971 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.