Neko-Te 
Artifact — Equipment
$5.32 #19108 0.24 21.6 years
Whenever equipped creature deals damage to a creature, tap that creature. That creature doesn't untap during its controller's untap step for as long as this Equipment remains on the battlefield.
Whenever equipped creature deals damage to a player, that player loses 1 life.
Equip 
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Cards similar to Neko-Te 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.
Somnophore92%
$0.46↓#25922↓0.11↓27.9 years↑
"Whenever this creature deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as this creature remains on the battlefield."
Thalakos Dreamsower88%
$0.24↓#26053↓0.3228.9 years↑
"Whenever this creature deals damage to an opponent, tap target creature. That creature doesn't untap during its controller's untap step for as long as this creature remains tapped."
Sand Squid78%
$0.57↓#25810↓0.41↑26.9 years↑
"
: Tap target creature. That creature doesn't untap during its controller's untap step for as long as this creature remains tapped."
: Tap target creature. That creature doesn't untap during its controller's untap step for as long as this creature remains tapped."
Dungeon Geists78%
$0.12↓#180250.2114.6 years↓
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control this creature."
Deserter's Quarters76%
$0.14↓#29480↓0.1412.3 years↓
"
, : Tap target creature. It doesn't untap during its controller's untap step for as long as this artifact remains tapped."
, : Tap target creature. It doesn't untap during its controller's untap step for as long as this artifact remains tapped."
Matsu-Tribe Sniper76%
$0.11↓#179170.61↑21.6 years
"Whenever this creature deals damage to a creature, tap that creature and it doesn't untap during its controller's next untap step."
Entrancing Lyre74%
$0.10↓#23187↓0.12↓6.6 years↓
"
, : Tap target creature with power X or less. It doesn't untap during its controller's untap step for as long as this artifact remains tapped."
, : Tap target creature with power X or less. It doesn't untap during its controller's untap step for as long as this artifact remains tapped."
Castaway's Despair74%
$0.09↓#26583↓0.53↑8.9 years↓
"When this Aura enters, tap enchanted creature."
Capture Sphere74%
$0.05↓#187020.257.9 years↓
"When this Aura enters, tap enchanted creature."
Waterknot74%
$0.12↓#218840.258.6 years↓
"When this Aura enters, tap enchanted creature."
Containment Protocol74%
$0.21↓#28751↓0.00↓0.5 years↓
"When this Aura enters, tap enchanted creature."
Ty Lee, Chi Blocker72%
$0.47↓#6825↑0.00↓0.8 years↓
"When this card enters, tap up to one target creature. It doesn't untap during its controller's untap step for as long as you control this card."
Sleep Magic72%
$0.21↓#14296↑0.251.2 years↓
"When this Aura enters, tap enchanted creature."
Visions of Brutality70%
$0.35↓#13219↑0.05↓10.6 years↓
"Whenever enchanted creature deals damage, its controller loses that much life."
Singing Bell Strike70%
$0.04↓#22935↓0.1711.9 years↓
"When this Aura enters, tap enchanted creature."
Crystal Fragments // Summon: Alexander70%
$0.22↓#7501↑0.141.2 years↓
"Equip 
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