Infernal Denizen 

Creature — Demon
$0.88 #27339 0.29 31.3 years
At the beginning of your upkeep, sacrifice two Swamps. If you can't, tap this creature, and an opponent may gain control of a creature you control of their choice for as long as this creature remains on the battlefield.
Click a line or tag to filter
Cards similar to Infernal Denizen 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.
Sower of Temptation79%
$2.59↑#4030↑0.52↑18.9 years↓
"When this creature enters, gain control of target creature for as long as this creature remains on the battlefield."
Rubinia Soulsinger77%
$0.38↓#19060↑0.48↑32.3 years↑
"
: Gain control of target creature for as long as you control this card and this card remains tapped."
Mold Demon77%
$17.78↑#313700.00↓32.3 years↑
"When this creature enters, sacrifice it unless you sacrifice two Swamps."
Helm of Possession76%
$4.94↑#14907↑0.59↑28.9 years↓
"
,
, Sacrifice a creature: Gain control of target creature for as long as you control this artifact and this artifact remains tapped."
Cosmic Larva76%
$0.36↓#19553↑0.2922.3 years↓
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice two lands."
Cytoplast Manipulator74%
$0.65↓#13888↑0.41↑20.3 years↓
"
,
: Gain control of target creature with a +1/+1 counter on it for as long as this creature remains on the battlefield."
Mire Shade71%
$0.10↓#316370.2129.9 years↓
"
, Sacrifice a Swamp: Put a +1/+1 counter on this creature. Activate only as a sorcery."
Lithophage70%
$0.32↓#311020.07↓26.9 years↓
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice a Mountain."