
, Sacrifice another artifact: Exile the top X cards of your library, where X is one plus the mana value of the sacrificed artifact. You may play those cards this turn.
If an artifact has
in its mana cost, X is 0 for the purpose of determining its mana value.
You pay all costs and follow all timing rules for cards played with the permission granted by Memorial Vault’s ability. For example, if an exiled card is a land card, you may play it only during your main phase while the stack is empty.