Abu Ja'far 
Creature — Human
$0.24 #21587 0.00 32.7 years
When this creature dies, destroy all creatures blocking or blocked by it. They can't be regenerated.
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Cards similar to Abu Ja'far 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.
Lim-Dûl's Cohort82%
$0.19↓#31473↓0.53↑31.3 years↓
"Whenever this creature blocks or becomes blocked by a creature, that creature can't be regenerated this turn."
Giant Albatross80%
$0.11↓#29527↓0.0030.9 years↓
"When this creature dies, you may pay 
. If you do, for each creature that dealt damage to this creature this turn, destroy that creature unless its controller pays 2 life. A creature destroyed this way can't be regenerated."
Child of Alara76%
$1.01↑#8100↑1.23↑17.6 years↓
"When this card dies, destroy all nonland permanents. They can't be regenerated."
Kjeldoran Frostbeast76%
$0.28↑#30639↓0.35↑31.3 years↓
"At end of combat, destroy all creatures blocking or blocked by this creature."
Plague Spores76%
$0.10↓#30793↓0.0625.9 years↓
"Destroy target nonblack creature and target land. They can't be regenerated."
Parallax Dementia76%
$0.08↓#28103↓0.0026.6 years↓
"When this Aura leaves the battlefield, destroy enchanted creature. That creature can't be regenerated."
Seal of Doom76%
$0.12↓#9437↑0.58↑26.6 years↓
"Sacrifice this enchantment: Destroy target nonblack creature. It can't be regenerated."
Plague Wind75%
$2.50↑#6513↑0.46↑26.3 years↓
"Destroy all creatures you don't control. They can't be regenerated."
Annihilate74%
$0.06↓#200060.59↑25.9 years↓
"Destroy target nonblack creature. It can't be regenerated."
Damn74%
$2.03↑#345↑0.36↑5.3 years↓
"Destroy target creature. A creature destroyed this way can't be regenerated."
Putrefy73%
$0.15↓#336↑0.18↑20.9 years↓
"Destroy target artifact or creature. It can't be regenerated."
Vile Requiem73%
$0.15↓#220280.0027.9 years↓
"
, Sacrifice this enchantment: Destroy up to X target nonblack creatures, where X is the number of verse counters on this enchantment. They can't be regenerated."
Dark Hatchling73%
$0.12↓#185020.38↑27.9 years↓
"When this creature enters, destroy target nonblack creature. It can't be regenerated."
Phyrexian Reaper72%
$0.10↓#30421↓1.41↑25.9 years↓
"Whenever this creature becomes blocked by a green creature, destroy that creature. It can't be regenerated."