Duskworker 
Artifact Creature — Construct
Whenever this creature becomes blocked, regenerate it.
{3}: This creature gets +1/+0 until end of turn.
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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.
Town Gossipmonger // Incited Rabble 96%
$0.04#29231
"{2}: This creature gets +1/+0 until end of turn."
Sludge Crawler 96%
$0.14#23009
"{2}: This creature gets +1/+1 until end of turn."
+1 more matching line
Roterothopter 96%
#22366
"{2}: This creature gets +1/+0 until end of turn. Activate no more than twice each turn."
Fan Favorite 96%
$0.04#28111
"{2}: This creature gets +1/+1 until end of turn. Any player may activate this ability."
Paragon of Modernity 92%
$0.18#23816
"{3}: This creature gets +1/+1 until end of turn. If exactly three colors of mana were spent to activate this ability, put a +1/+1 counter on it instead."
Vildin-Pack Outcast // Dronepack Kindred 91%
$0.08#26137
"{1}: This creature gets +1/+0 until end of turn."