Hidden Horror
When Hidden Horror enters the battlefield, sacrifice it unless you discard a creature card.
Creature — Horror
standard:
not legal
future:
not legal
historic:
not legal
gladiator:
not legal
pioneer:
not legal
explorer:
not legal
modern:
legal
legacy:
legal
pauper:
not legal
vintage:
legal
penny:
legal
commander:
legal
oathbreaker:
legal
brawl:
not legal
historicbrawl:
not legal
alchemy:
not legal
paupercommander:
restricted
duel:
legal
oldschool:
not legal
premodern:
legal
predh:
legal
High - Low
