Soul Immolation {3}{R}{R}
Sorcery
As an additional cost to cast this spell, blight X. X can't be greater than the greatest toughness among creatures you control. (Put X -1/-1 counters on a creature you control.)
Soul Immolation deals X damage to each opponent and each creature they control.
click a line to search just that ability, click more to combine them
Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Impending Flux 95%
$0.30#9136
"this card deals X damage to each opponent and each creature they control, where X is 1 plus the number of spells you've cast from anywhere other than your hand this turn."
Tectonic Hazard 91%
$0.35#2517
"this card deals 1 damage to each opponent and each creature they control."
Delayed Blast Fireball 83%
$15.05#1362
"this card deals 2 damage to each opponent and each creature they control. If this spell was cast from exile, it deals 5 damage to each opponent and each creature they control instead."
Bogslither's Embrace 82%
$0.23#11296
"As an additional cost to cast this spell, blight 1 or pay {3}."