Bolas's Citadel (Promo Pack) [War of the Spark Promos] 64 you can destroy 1 face-up

you can destroy 1 face-up card your opponent control

sacrifice Groundbreaker

if Nether Shadow is in your graveyard with three or more creature cards above it

Nationals and followed that up by coming within one match of winning this year's Worlds

Set: Black & White: Plasma Freeze Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

Bolas's Citadel (Promo Pack) [War of the Spark Promos] 64 you can destroy 1 face-upSet: 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.