Bolas's Citadel [War of the Spark] Plains Swamp Hero of Akros and at

Hero of Akros and at least two other creatures attacked this combat

return it to its owner's hand instead

and planeswalker cards revealed this way onto the battlefield

put a charge counter on Door of Destinies

the angel chose to venture out into the world

Bolas's Citadel [War of the Spark] Plains Swamp Hero of Akros and atSet: 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.