Bolas's Citadel [War of the Spark] 3 Player This ability can't cause the

This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven

Set: Amonkhet Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {2} At the beginning of your end step

Set: Chronicles Type: Artifact Rarity: Common Cost: {3} Sacrifice a creature: Add {C}{C}

Set: Revised Edition Type: Artifact Rarity: Uncommon Cost: {1} {T}: Add {C}{C}

Bolas's Citadel [War of the Spark] 3 Player This ability can't cause theSet: War of the Spark 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.