Klaus Fuchs, Atomic Spy

Whenever an opponent casts a noncreature spell,
they may pay {1}. If that player doesn't, you create a
resource token.
Sacrifice 6 resources: Search your library for an
artifact card, reveal it, then put it into your hand.
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"There is nobody I know by name who is concerned with collecting information for the Russian authorities. There are people whom I know by sight whom I trusted with my life."