Immovable Rod 
Artifact
$0.37 #13008 0.35 5.1 years
You may choose not to untap this artifact during your untap step.
Whenever this artifact becomes untapped, venture into the dungeon.
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: For as long as this artifact remains tapped, another target permanent loses all abilities and can't attack or block.Click a line or tag to filter
Cards similar to Immovable Rod 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.
Heliod's Punishment77%
$0.14↓#150760.07↓6.6 years↑
"Enchanted creature can't attack or block. It loses all abilities and has ": Remove a task counter from this card. Then if it has no task counters on it, destroy this card.""
: Remove a task counter from this card. Then if it has no task counters on it, destroy this card.""
Tawnos's Coffin76%
$118.00↑#24309↓0.50↑32.5 years↑
"You may choose not to untap this artifact during your untap step."
Intercessor's Arrest72%
$0.21↓#17745↓0.22↓4.5 years
"Enchanted permanent can't attack, block, or crew Vehicles. Its activated abilities can't be activated unless they're mana abilities."
The Blackstaff of Waterdeep72%
$0.15↓#20141↓0.305.1 years
"You may choose not to untap this card during your untap step."
+1 more matching line
Faith's Fetters71%
$0.06↓#127250.70↑20.9 years↑
"Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities."
Kragma Butcher70%
$0.12↓#22773↓0.56↑12.6 years↑
"Whenever this creature becomes untapped, it gets +2/+0 until end of turn."
Suppression Bonds70%
$0.11↓#22871↓0.3311.1 years↑
"Enchanted permanent can't attack or block, and its activated abilities can't be activated."