7 cards where the name is exactly “armageddon clock” and the Oracle ID is “70d90ef4-0cda-405f-abf1-734fa909efa6”

Armageddon Clock (Masters Edition IV #180)
Armageddon Clock (Fourth Edition Foreign Black Border #295)
Armageddon Clock (Fourth Edition #295)
Armageddon Clock (Summer Magic / Edgar #234)
Armageddon Clock (Foreign Black Border #234)
Armageddon Clock (Revised Edition #234)
Armageddon Clock (Antiquities #37)

The orcs’ banner sends a clear message: “You've reached the end of this search.”