Lethal Throwdown 
Sorcery
As an additional cost to cast this spell, sacrifice a creature or sacrifice a modified creature. (Equipment, Auras you control, and counters are modifications.)
Destroy target creature or planeswalker. If the modified creature was sacrificed, draw a card.
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Cards that do something similar expected a card that isn't here?
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Lethal Scheme 100%
#1369
"Destroy target creature or planeswalker. Each creature that convoked this spell connives."
Fateful Absence 100%
$0.40#5977
"Destroy target creature or planeswalker. Its controller investigates."
Powerstone Fracture 99%
$0.10#18413
"Destroy target creature or planeswalker."
+1 more matching line