Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
Not Buying
![Hidden Horror [Premium Deck Series: Graveborn]](https://cdn.shopify.com/s/files/1/0267/9501/6251/products/e2933be2-e41d-5497-8f15-e5917a4ae3b7.jpg?v=1700203162)
Hidden Horror [Premium Deck Series: Graveborn]
| Set: | Premium Deck Series: Graveborn |
| Type: | Creature — Horror |
| Rarity: | Uncommon |
| Cost: | 1BB |
| Colors: | B |
When Hidden Horror enters the battlefield, sacrifice it unless you discard a creature card.
If the presence of evil were obvious, it wouldn't be nearly as dangerous.