M:tG card similarity search
1BB · Creature — Horror
When Hidden Horror enters the battlefield, sacrifice it unless you discard a creature card. 4/4
| Name | Mana | Type | Text | 
|---|---|---|---|
| Rathi Dragon | 2RR | Creature — Dragon | Flying (This creature can't be blocked except by creatures with flying or reach.) When Rathi Dragon enters the battlefield, sacrifice it unless you sacrifice two Mountains. 5/5 | 
| Abyssal Gorestalker | 4BB | Creature — Horror | When Abyssal Gorestalker enters the battlefield, each player sacrifices two creatures. 6/6 | 
| Ravenous Rats | 1B | Creature — Rat | When Ravenous Rats enters the battlefield, target opponent discards a card. 1/1 | 
| Kroxa, Titan of Death's Hunger | BR | Legendary Creature — Elder Giant | When Kroxa enters the battlefield, sacrifice it unless it escaped. Whenever Kroxa enters the battlefield or attacks, each opponent discards a card, then each opponent who didn't discard a nonland card this way loses 3 life. Escape—{B}{B}{R}{R}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) 6/6 | 
| Sanity Gnawers | 1BR | Creature — Rat | When Sanity Gnawers enters the battlefield, target player discards a card at random. 1/1 | 
| Rishadan Cutpurse | 2U | Creature — Human Pirate | When Rishadan Cutpurse enters the battlefield, each opponent sacrifices a permanent unless they pay {1}. 1/1 | 
| Rishadan Footpad | 3U | Creature — Human Pirate | When Rishadan Footpad enters the battlefield, each opponent sacrifices a permanent unless they pay {2}. 2/2 | 
| Fleshbag Marauder | 2B | Creature — Zombie Warrior | When Fleshbag Marauder enters the battlefield, each player sacrifices a creature. 3/1 | 
| Bloodhusk Ritualist | 2B | Creature — Vampire Shaman | Multikicker {B} (You may pay an additional {B} any number of times as you cast this spell.) When Bloodhusk Ritualist enters the battlefield, target opponent discards a card for each time it was kicked. 2/2 | 
| Tar Fiend | 5B | Creature — Elemental | Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.) When Tar Fiend enters the battlefield, target player discards a card for each creature it devoured. 4/4 |