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 |
|---|---|---|---|
| Innocent Blood | B | Sorcery | Each player sacrifices a creature. |
| All-Seeing Arbiter | 4UU | Creature — Avatar | Flying Whenever All-Seeing Arbiter enters the battlefield or attacks, draw two cards, then discard a card. Whenever you discard a card, target creature an opponent controls gets -X/-0 until your next turn, where X is the number of different mana values among cards in your graveyard. 5/4 |
| Alchemist's Vial | 2 | Artifact | When Alchemist's Vial enters the battlefield, draw a card. {1}, {T}, Sacrifice Alchemist's Vial: Target creature can't attack or block this turn. |
| Barrow Ghoul | 1B | Creature — Zombie | At the beginning of your upkeep, sacrifice Barrow Ghoul unless you exile the top creature card of your graveyard. 4/4 |
| Baloth Null | 4BG | Creature — Zombie Beast | When Baloth Null enters the battlefield, return up to two target creature cards from your graveyard to your hand. 4/5 |
| Death Pit Offering | 2BB | Enchantment | When Death Pit Offering enters the battlefield, sacrifice all creatures you control. Creatures you control get +2/+2. |
| Akki Rockspeaker | 1R | Creature — Goblin Shaman | When Akki Rockspeaker enters the battlefield, add {R}. 1/1 |
| Obscura Polymorphist | 1WU | Creature — Cephalid Wizard | When Obscura Polymorphist enters the battlefield, exile up to one target creature. Its controller seeks a creature card. 2/2 |
| Oath of Lim-Dûl | 3B | Enchantment | Whenever you lose life, for each 1 life you lost, sacrifice a permanent other than Oath of Lim-Dûl unless you discard a card. (Damage dealt to you causes you to lose life.) {B}{B}: Draw a card. |
| Plaguecrafter's Familiar | 1B | Creature — Rat | Deathtouch When Plaguecrafter's Familiar enters the battlefield, choose a creature card in your hand. It perpetually gains deathtouch. 1/1 |