Let the Galaxy Burn

Set: Universes Beyond: Warhammer 40,000 (#81)

Rarity: Rare

Type: Sorcery

Mana Cost: {X}{5}{R}

Colors: Red

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Let the Galaxy Burn deals X plus 2 damage to each creature that didn't enter the battlefield this turn.