Bolas's Citadel
You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.
Legendary Artifact
standard:
not legal
future:
not legal
historic:
legal
gladiator:
legal
pioneer:
legal
explorer:
legal
modern:
legal
legacy:
legal
pauper:
not legal
vintage:
legal
penny:
legal
commander:
legal
oathbreaker:
legal
brawl:
not legal
historicbrawl:
legal
alchemy:
not legal
paupercommander:
not legal
duel:
legal
oldschool:
not legal
premodern:
not legal
predh:
not legal
High - Low
