Toymaker's Ransom

Choose an opponent. They look at the top four cards of your library and separate them into a face-down pile and a face-up pile. Put one pile into your hand and the other graveyard.
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„Well can't we just go? I hate this place." Dodo asked
the Doctor.„My dear,but how? That is the question."
„In the Tardis, of course, as always."The Toymaker
laughed: „There are many of them.Take your choice."
„There are hundreds of them!" Steven c