Bolas's Citadel [War of the Spark] SPA Dunas estruendosas choose one of your opponents

choose one of your opponents

Set: Dragons of Tarkir Type: Enchantment Rare Cost: {2}{B} {1}{B}

Set: Rise of the Eldrazi Type: Creature — Sphinx Rare Cost: {3}{U}{U}{U} Flying {2}{U}: Draw a card

Sacrifice another creature: Ahn-Crop Invader gets +2/+0 until end of turn

Bolas's Citadel [War of the Spark] SPA Dunas estruendosas choose one of your opponentsSet: War of the Spark Type: Legendary Artifact Rare Cost: {3}{B}{B}{B} 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. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.