Callous Oppressor 
Creature — Octopus
$1.66 #15932 0.29 24.0 years
You may choose not to untap this creature during your untap step.
As this creature enters, an opponent chooses a creature type.
: Gain control of target creature that isn't of the chosen type for as long as this creature remains tapped.Click a line or tag to filter
Cards similar to Callous Oppressor 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.
Preacher87%
$29.37↑#22409↓0.55↑32.2 years↑
": For as long as this creature remains tapped, gain control of target creature of an opponent's choice they control."
: For as long as this creature remains tapped, gain control of target creature of an opponent's choice they control."+1 more matching line
Rubinia Soulsinger84%
$0.37↓#19426↓0.63↑32.4 years↑
": Gain control of target creature for as long as you control this card and this card remains tapped."
: Gain control of target creature for as long as you control this card and this card remains tapped."+1 more matching line
Merieke Ri Berit74%
$2.88↑#143540.88↑31.4 years↑
"this card doesn't untap during your untap step."
+1 more matching line
Helm of Possession72%
$4.86↑#150960.43↑29.0 years↑
"
, , Sacrifice a creature: Gain control of target creature for as long as you control this artifact and this artifact remains tapped."
, , Sacrifice a creature: Gain control of target creature for as long as you control this artifact and this artifact remains tapped."+1 more matching line
Kindred Dominance72%
$4.67↑#697↑0.70↑9.2 years↓
"Choose a creature type. Destroy all creatures that aren't of the chosen type."
Willow Satyr72%
$70.07↑#24445↓1.35↑32.4 years↑
": Gain control of target legendary creature for as long as you control this creature and this creature remains tapped."
: Gain control of target legendary creature for as long as you control this creature and this creature remains tapped."+1 more matching line
Raise the Palisade72%
$4.63↑#868↑0.93↑3.3 years↓
"Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands."
Crippling Fear70%
$0.40↓#2065↑0.42↑5.7 years↓
"Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn."