Bolas's Citadel (Promo Pack) [War of the Spark Promos] Nightmare Horror Design leads to progress

Design leads to progress

Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {2} Cycling abilities you activate cost up to {2} less to activate

When Ebon Dragon enters the battlefield

Enlightenment is not gained by striking the bell or hearing its toll

As Sacred Foundry enters the battlefield

Bolas's Citadel (Promo Pack) [War of the Spark Promos] Nightmare Horror Design leads to progressSet: War of the Spark Promos Type: Legendary Artifact Rarity: Rare Cost: {3}{B}{B}{B} 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.