M:tG card similarity search
1BR · Enchantment
Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Bog Witch | 2B | Creature — Human Spellshaper | {B}, {T}, Discard a card: Add {B}{B}{B}. 1/1 | 
| Blazing Specter | 2BR | Creature — Specter | Flying, haste Whenever Blazing Specter deals combat damage to a player, that player discards a card. 2/2 | 
| Compulsive Research | 2U | Sorcery | Target player draws three cards. Then that player discards two cards unless they discard a land card. | 
| Hymn to Tourach | BB | Sorcery | Target player discards two cards at random. | 
| Skullslither Worm | 3B | Creature — Worm | When Skullslither Worm enters the battlefield, each opponent discards a card. For each opponent who can't, put two +1/+1 counters on Skullslither Worm. 3/3 | 
| Psychic Spear | B | Sorcery | Target player reveals their hand. You choose a Spirit or Arcane card from it. That player discards that card. | 
| Alley Grifters | 1BB | Creature — Human Mercenary | Whenever Alley Grifters becomes blocked, defending player discards a card. 2/2 | 
| Rushwood Herbalist | 2G | Creature — Human Spellshaper | {G}, {T}, Discard a card: Regenerate target creature. 2/2 | 
| Banshee of the Dread Choir | 3BB | Creature — Spirit | Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) Whenever Banshee of the Dread Choir deals combat damage to a player, that player discards a card. 4/4 | 
| Insidious Bookworms | B | Creature — Worm | When Insidious Bookworms dies, you may pay {1}{B}. If you do, target player discards a card at random. 1/1 |