M:tG card similarity search
1B · 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.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Resounding Scream | 2B | Sorcery | Target player discards a card at random. Cycling {5}{U}{B}{R} ({5}{U}{B}{R}, Discard this card: Draw a card.) When you cycle Resounding Scream, target player discards two cards at random. | 
| Horrifying Revelation | B | Sorcery | Target player discards a card, then mills a card. | 
| Pulling Teeth | 1B | Sorcery | Clash with an opponent. If you win, target player discards two cards. Otherwise, that player discards a card. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) | 
| Haunting Hymn | 4BB | Instant | Target player discards two cards. If you cast this spell during your main phase, that player discards four cards instead. | 
| Hymn to Tourach | BB | Sorcery | Target player discards two cards at random. | 
| Greel, Mind Raker | 3BB | Legendary Creature — Horror Spellshaper | {X}{B}, {T}, Discard two cards: Target player discards X cards at random. 3/3 | 
| Mind Knives | 1B | Sorcery | Target opponent discards a card at random. | 
| Specter's Wail | 1B | Sorcery | Target player discards a card at random. | 
| Stupor | 2B | Sorcery | Target opponent discards a card at random, then discards a card. | 
| Skull Fracture | B | Sorcery | Target player discards a card. Flashback {3}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |