Spectral Prison 
Enchantment — Aura
$0.04 #29984 0.25 14.5 years
Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
When enchanted creature becomes the target of a spell, sacrifice this Aura.
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Sleeping Potion98%
$0.06↑#299330.2825.7 years↑
"When enchanted creature becomes the target of a spell or ability, sacrifice this Aura."
+2 more matching lines
Dehydration95%
$0.04#290070.47↑27.0 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Claustrophobia91%
$0.04#19266↑0.3215.1 years
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Eternity Snare91%
$0.06↑#294010.2520.0 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Sleep Paralysis91%
$0.08↑#23209↑0.3510.5 years↓
"Enchanted creature doesn't untap during its controller's untap step."
Paralyze91%
$0.14↑#20702↑0.80↑33.2 years↑
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Containment Protocol91%
$0.22↑#285890.300.6 years↓
"Enchanted creature doesn't untap during its controller's untap step."
Castaway's Despair91%
$0.08↑#264180.219.1 years↓
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Starlight Snare91%
$0.13↑#20533↑0.93↑1.9 years↓
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Charmed Sleep91%
$0.09↑#15858↑0.307.0 years↓
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Illusionary Armor90%
$0.10↑#276310.12↓13.3 years↓
"When enchanted creature becomes the target of a spell or ability, sacrifice this Aura."
+1 more matching line
Sleep with the Fishes90%
$0.22↑#19781↑0.00↓4.5 years↓
"Enchanted creature doesn't untap during its controller's untap step."
Glimmerdust Nap89%
$0.13↑#302660.2919.0 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Thirst88%
$0.05↑#316510.3530.0 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Singing Bell Strike88%
$0.04#23150↑0.12↓12.1 years↓
"Enchanted creature doesn't untap during its controller's untap step."
Roots87%
$0.15↑#292040.2231.1 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Dramatic Accusation86%
$0.07↑#18878↑0.73↑2.7 years↓
"Enchanted creature doesn't untap during its controller's untap step."
Entangling Vines86%
$0.08↑#290810.12↓17.3 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Stasis Cell86%
$0.03↓#305820.47↑21.0 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Shackles85%
$0.12↑#23165↑0.3528.3 years↑
"Enchanted creature doesn't untap during its controller's untap step."