Card Name: Bolas's CitadelMana Cost: Converted Mana Cost: 6
Types: Legendary Artifact
You may look at the top card of your library any time.You may play the top card of your library. If you cast a spell this way, pay life equal to its converted mana cost rather than pay its mana cost., Sacrifice ten nonland permanents: Each opponent loses 10 life.
Expansion: War of the Spark
Card Number: 79
Artist: Jonas De Ro