Ominous Lockbox
Mana cost
Mana value2TypeArtifact — Clue
Color identity
Blue
RarityRare
SetAlchemy: Murders at Karlov Manor (YMKM)
ArtistNicholas Gregory
Price—
Ominous Lockbox 

Artifact — Clue
As Ominous Lockbox enters, secretly choose a number between 1 and 20.
When an opponent casts a spell with mana value equal to the chosen number, sacrifice Ominous Lockbox. If you do, copy that spell, and you may choose new targets for the copy.
, Sacrifice Ominous Lockbox: Draw a card.
When an opponent casts a spell with mana value equal to the chosen number, sacrifice Ominous Lockbox. If you do, copy that spell, and you may choose new targets for the copy.