False Floor 
Artifact
$0.25 #19011 0.06 4.4 years
This artifact enters tapped.
Creatures enter tapped.
, 
, Exile this artifact: Exile all untapped creatures. Activate only as a sorcery.Click a line or tag to filter
Cards similar to False Floor 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.
Imposing Sovereign88%
$0.39↑#12263↑0.79↑13.1 years↑
"Creatures your opponents control enter tapped."
Urabrask the Hidden86%
$4.08↑#1767↑0.70↑15.3 years↑
"Creatures your opponents control enter tapped."
Uphill Battle86%
$5.50↑#14914↑0.67↑26.9 years↑
"Creatures played by your opponents enter tapped."
Kinjalli's Sunwing85%
$0.87↑#3279↑0.70↑8.9 years↑
"Creatures your opponents control enter tapped."
Radiant Grace // Radiant Restraints84%
$0.24↓#12816↑0.124.8 years
"Creatures enchanted player controls enter tapped."
Authority of the Consuls83%
$4.54↑#335↑1.15↑9.9 years↑
"Creatures your opponents control enter tapped."
Brittle Effigy75%
$0.27↑#186660.0016.1 years↑
", , Exile this artifact: Exile target creature."
, , Exile this artifact: Exile target creature."
Ashling's Prerogative75%
$0.65↑#178490.47↑18.9 years↑
"Each creature without mana value of the chosen quality enters tapped."
Thalia, Heretic Cathar75%
$1.19↑#1469↑1.07↑10.1 years↑
"Creatures and nonbasic lands your opponents control enter tapped."
Spider-Woman, Stunning Savior74%
$1.55↑#5597↑0.81↑1.0 years↓
"Artifacts and creatures your opponents control enter tapped."
Phyrexian Censor74%
$0.30↑#4422↑1.09↑3.4 years
"Non-Phyrexian creatures enter tapped."
Final Judgment73%
$0.28↑#8188↑0.95↑21.6 years↑
"Exile all creatures."
Cone of Cold73%
$0.29↑#6748↑0.41↑4.2 years
"Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. Until your next turn, creatures your opponents control enter tapped."
Thundermare72%
$0.89↑#188110.1429.3 years↑
"When this creature enters, tap all other creatures."
Shrieking Mogg72%
$0.52↑#25118↓0.88↑26.6 years↑
"When this creature enters, tap all other creatures."
Blind Obedience72%
$4.30↑#500↑1.15↑13.6 years↑
"Artifacts and creatures your opponents control enter tapped."
Subjugator Angel72%
$0.30↑#9507↑0.62↑10.1 years↑
"When this creature enters, tap all creatures your opponents control."
Frozen Aether71%
$1.40↑#8584↑1.14↑19.6 years↑
"Artifacts, creatures, and lands your opponents control enter tapped."
Loxodon Gatekeeper71%
$1.22↑#12250↑0.96↑20.9 years↑
"Artifacts, creatures, and lands your opponents control enter tapped."
Kismet71%
$0.67↑#11896↑1.23↑32.3 years↑
"Artifacts, creatures, and lands your opponents control enter tapped."