Artifact Possession 
Enchantment — Aura
$1.11 #26812 0.44 32.5 years
Enchant artifact
Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without 
in its activation cost, this Aura deals 2 damage to that artifact's controller.
in its activation cost, this Aura deals 2 damage to that artifact's controller.Click a line or tag to filter
Cards similar to Artifact Possession 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.
Haunting Wind96%
$16.29↑#254440.67↑32.5 years
"Whenever an artifact becomes tapped or a player activates an artifact's ability without in its activation cost, this enchantment deals 1 damage to that artifact's controller."
in its activation cost, this enchantment deals 1 damage to that artifact's controller."
Insolence90%
$0.10↓#291860.31↓25.6 years↓
"Whenever enchanted creature becomes tapped, this Aura deals 2 damage to that creature's controller."
Psychic Venom90%
$0.13↓#243180.19↓33.1 years
"Whenever enchanted land becomes tapped, this Aura deals 2 damage to that land's controller."
Powerleech88%
$19.83↑#215380.06↓32.5 years
"Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without in its activation cost, you gain 1 life."
in its activation cost, you gain 1 life."
Warp Artifact87%
$0.34↓#290080.17↓33.1 years
"At the beginning of the upkeep of enchanted artifact's controller, this Aura deals 1 damage to that player."
+1 more matching line
Lust for War86%
$0.14↓#258170.11↓16.4 years↓
"Whenever enchanted creature becomes tapped, this Aura deals 3 damage to that creature's controller."
Relic Bane84%
$0.07↓#278410.00↓22.9 years↓
"Enchant artifact"
+1 more matching line
Gremlin Infestation84%
$0.06↓#289700.29↓9.6 years↓
"At the beginning of your end step, this Aura deals 2 damage to enchanted artifact's controller."
+1 more matching line
Avalanche of Sector 784%
$0.22↓#10192↑0.381.2 years↓
"Whenever an opponent activates an ability of an artifact they control, this card deals 1 damage to that player."
Relic Putrescence84%
$0.20↓#18176↑0.5015.9 years↓
"Whenever enchanted artifact becomes tapped, its controller gets a poison counter."
+1 more matching line
Relic Bind82%
$0.41↓#281310.12↓32.3 years
"Whenever enchanted artifact becomes tapped, choose one —"
+1 more matching line
Seizures81%
$0.17↓#242940.06↓31.3 years↓
"Whenever enchanted creature becomes tapped, this Aura deals 3 damage to that creature's controller unless that player pays 
."
."
Stinging Licid80%
$0.14↓#293730.06↓28.9 years↓
"Whenever enchanted creature becomes tapped, this creature deals 2 damage to that creature's controller."
Burning-Tree Shaman80%
$0.37↓#222680.3820.6 years↓
"Whenever a player activates an ability that isn't a mana ability, this creature deals 1 damage to that player."
Harsh Mentor80%
$0.29↓#2394↑0.479.4 years↓
"Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player."
Pooling Venom79%
$0.36↓#265880.29↓19.3 years↓
"Whenever enchanted land becomes tapped, its controller loses 2 life."
Contaminated Ground78%
$0.18↓#18633↑0.3816.4 years↓
"Whenever enchanted land becomes tapped, its controller loses 2 life."
Parasitic Bond78%
$0.39↓#294490.33↓27.9 years↓
"At the beginning of the upkeep of enchanted creature's controller, this Aura deals 2 damage to that player."
Cursed Land77%
$0.18↓#251450.05↓33.1 years
"At the beginning of the upkeep of enchanted land's controller, this Aura deals 1 damage to that player."
Curse Artifact76%
$0.92↓#289070.22↓32.1 years
"At the beginning of the upkeep of enchanted artifact's controller, this Aura deals 2 damage to that player unless they sacrifice that artifact."
+1 more matching line