Curse of Inertia 
Enchantment — Aura Curse
$0.29 #14943 0.24 12.8 years
Enchant player
Whenever a player attacks enchanted player with one or more creatures, that attacking player may tap or untap target permanent of their choice.
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Cards similar to Curse of Inertia expected a card that isn't here?
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Ghostly Touch94%
$0.21↓#19484↓0.47↑14.3 years↑
"Enchanted creature has "Whenever this creature attacks, you may tap or untap target permanent.""
Tidal Force82%
$0.51↑#167150.13↓12.8 years
"At the beginning of each upkeep, you may tap or untap target permanent."
Psychic Puppetry80%
$0.37↑#18461↓0.00↓21.9 years↑
"You may tap or untap target permanent."
Toils of Night and Day79%
$0.17↓#18188↓0.10↓21.6 years↑
"You may tap or untap target permanent, then you may tap or untap another target permanent."
Fatestitcher76%
$0.52↑#6396↑0.2917.9 years↑
"
: You may tap or untap another target permanent."
: You may tap or untap another target permanent."
Coral Trickster76%
$0.04↓#22568↓0.00↓19.9 years↑
"When this creature is turned face up, you may tap or untap target permanent."
Pestermite76%
$0.25↓#10822↑0.50↑18.9 years↑
"When this creature enters, you may tap or untap target permanent."
Hidden Strings76%
$0.29#4193↑0.3313.3 years
"You may tap or untap target permanent, then you may tap or untap another target permanent."
Captain of the Mists76%
$0.18↓#19787↓0.36↑14.3 years↑
"
, : You may tap or untap target permanent."
, : You may tap or untap target permanent."
Deceiver Exarch76%
$0.17↓#137190.50↑15.3 years↑
"• Tap target permanent an opponent controls."
Ral Zarek76%
$0.70↑#6065↑0.59↑13.3 years
"+1: Tap target permanent, then untap another target permanent."
Gandalf the Grey74%
$0.44↑#7435↑0.233.2 years↓
"• You may tap or untap target permanent."
Derevi, Empyrial Tactician71%
$5.43↑#2907↑1.42↑12.8 years
"When this card enters and whenever a creature you control deals combat damage to a player, you may tap or untap target permanent."
Psychic Overload70%
$0.16↓#30419↓0.67↑22.6 years↑
"Enchanted permanent doesn't untap during its controller's untap step."