Containment Protocol 
Enchantment — Aura
$0.21 #28751 0.00 0.5 years
Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
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Cards similar to Containment Protocol expected a card that isn't here?
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Capture Sphere100%
$0.05↓#18702↑0.25↑7.9 years↑
"When this Aura enters, tap enchanted creature."
+2 more matching lines
Waterknot100%
$0.12↓#21884↑0.25↑8.6 years↑
"When this Aura enters, tap enchanted creature."
+1 more matching line
Starlight Snare100%
$0.13↓#20413↑0.25↑1.8 years↑
"When this Aura enters, tap enchanted creature."
+2 more matching lines
Charmed Sleep100%
$0.07↓#15562↑0.25↑6.9 years↑
"When this Aura enters, tap enchanted creature."
+1 more matching line
Claustrophobia100%
$0.05↓#19077↑0.36↑14.9 years↑
"When this Aura enters, tap enchanted creature."
+2 more matching lines
Sleep Paralysis100%
$0.06↓#230050.88↑10.4 years↑
"When this Aura enters, tap enchanted creature."
+2 more matching lines
Paralyze100%
$0.13↓#20525↑0.57↑33.1 years↑
"When this Aura enters, tap enchanted creature."
+1 more matching line
Castaway's Despair100%
$0.09↓#265830.53↑8.9 years↑
"When this Aura enters, tap enchanted creature."
+1 more matching line
Sleep with the Fishes100%
$0.18↓#19563↑0.27↑4.4 years↑
"Enchanted creature doesn't untap during its controller's untap step."
+2 more matching lines
Sleep Magic99%
$0.21#14296↑0.25↑1.2 years
"When this Aura enters, tap enchanted creature."
+2 more matching lines
Singing Bell Strike98%
$0.04↓#22935↑0.17↑11.9 years↑
"When this Aura enters, tap enchanted creature."
+1 more matching line
Bind the Monster98%
$0.20↓#230280.33↑5.6 years↑
"Enchanted creature doesn't untap during its controller's untap step."
+2 more matching lines
Frozen in Ice98%
$0.18↓#15735↑0.000.2 years
"When this Aura enters, tap enchanted creature."
+1 more matching line
Roots98%
$0.11↓#289100.38↑30.9 years↑
"When this Aura enters, tap enchanted creature."
+1 more matching line
Paralyzing Grasp98%
$0.05↓#251440.0416.9 years↑
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Bonds of Quicksilver98%
$0.05↓#273560.20↑15.9 years↑
"Enchanted creature doesn't untap during its controller's untap step."
Dehydration98%
$0.06↓#287500.25↑26.9 years↑
"Enchanted creature doesn't untap during its controller's untap step."
+1 more matching line
Ringing Strike Mastery97%
$0.13↓#14371↑0.37↑1.4 years
"When this Aura enters, tap enchanted creature."
+1 more matching line
Dramatic Accusation97%
$0.08↓#18556↑0.35↑2.6 years↑
"When this Aura enters, tap enchanted creature."
+2 more matching lines
Thirst97%
$0.08↓#313380.62↑29.9 years↑
"When this Aura enters, tap enchanted creature."
+1 more matching line