Bolas's Citadel (Promo Pack) [War of the Spark Promos] BT7-013 Spend this mana only to

Spend this mana only to cast Myr spells or activate abilities of Myr

Set: Wilds of Eldraine Promos Type: Enchantment Rarity: Rare Cost: {X}{X}{U}{U} When Extraordinary Journey enters the battlefield

Set: Aether Revolt Prerelease Promos Type: Creature — Angel Rarity: Mythic Cost: {5}{W}{W} Flying

−3: Target opponent's life total becomes 10

I've been itching for trouble all this year

Bolas's Citadel (Promo Pack) [War of the Spark Promos] BT7-013 Spend this mana only toSet: 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 converted mana cost rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.