Bolas's Citadel [War of the Spark] ARC161-S "There is no calamity greater

"There is no calamity greater than lavish desires

Set: Amonkhet Invocations Type: Enchantment Rarity: Mythic Cost: {2}{U}{U} Tap an untapped creature you control: Tap target artifact

Set: Dragons of Tarkir Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{B}{R} Flying

that player chooses a color

Set: Alpha Edition Type: Instant Rarity: Common Cost: {W} Choose one —

Bolas's Citadel [War of the Spark] ARC161-S "There is no calamity greaterSet: 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.