Whispers of Emrakul {1}{B}
Sorcery
Target opponent discards a card at random.
Delirium — If there are four or more card types among cards in your graveyard, that player discards two cards at random instead.
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Cards that do something similar expected a card that isn't here?
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Devour Intellect 88%
$0.22#20545
"Target opponent discards a card. If mana from a Treasure was spent to cast this spell, instead that player reveals their hand, you choose a nonland card from it, then that player discards that card."