Engineered Explosives 
Artifact
$4.06 #12820 0.24 22.3 years
Sunburst (This artifact enters with a charge counter on it for each color of mana spent to cast it.)
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Cards similar to Engineered Explosives 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.
Ratchet Bomb95%
$0.39↓#140350.1915.9 years↓
"
, Sacrifice this artifact: Destroy each nonland permanent with mana value equal to the number of charge counters on this artifact."
Blast Zone88%
$0.32↓#1646↑0.247.3 years↓
"
,
, Sacrifice this land: Destroy each nonland permanent with mana value equal to the number of charge counters on this land."
Oblivion Stone86%
$0.32↓#5681↑0.3322.9 years
"
,
, Sacrifice this artifact: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents."
The Moment80%
$0.25↓#138620.252.9 years↓
"
,
: Destroy each nonland permanent with mana value less than or equal to the number of time counters on this card. Then sacrifice this card. Activate only as a sorcery."
Powder Keg80%
$66.86↑#24487↓0.13↓27.2 years↑
"
, Sacrifice this artifact: Destroy each artifact and creature with mana value equal to the number of fuse counters on this artifact."
+1 more matching line
Pest Control80%
$4.93↑#15737↓0.56↑2.4 years↓
"Destroy all nonland permanents with mana value 1 or less."