Wall of Mourning 
Creature — Wall
$0.29 #18443 0.06 4.9 years
Defender
When this creature enters, exile a card from the top of your library face down for each opponent you have.
Coven — At the beginning of your end step, if you control three or more creatures with different powers, put a card exiled with this creature into its owner's hand.
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Cards similar to Wall of Mourning expected a card that isn't here?
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