Hidden Horror

Creature - Horror 4/4, 1BB (3)
When Hidden Horror comes into play, sacrifice it unless you discard a creature card.
If the presence of evil were obvious, it wouldn't be nearly as dangerous.
Illus. Brom

Crystal Keep Rulings Summaries

• You choose whether to discard or not on resolution. If not, then you sacrifice this card. You can choose to not discard if you no longer control this card on resolution. [D'Angelo 1999/06/01]
• Note - Also see Comes Into Play Abilities, Rule 410.10a.
• Note - In Weatherlight this card was of creature type Undead.

Format Legality	Legal in Vintage, Legacy, Extended, Standard
Printings (4/27)	Tenth Edition (Uncommon) Classic Sixth Edition (Uncommon) Portal Second Age (Rare) Weatherlight (Uncommon)