Aether Barrier 
Enchantment
$6.20 #14547 1.24 26.7 years
Whenever a player casts a creature spell, that player sacrifices a permanent of their choice unless they pay 
.
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Spelltithe Enforcer96%
$6.68↑#8731↑1.3320.7 years↓
"Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay ."
."
Fade Away90%
$0.26↓#134521.2028.3 years↑
"For each creature, its controller sacrifices a permanent of their choice unless they pay ."
."
Rishadan Cutpurse88%
$0.14↓#19244↓0.12↓27.0 years
"When this creature enters, each opponent sacrifices a permanent of their choice unless they pay ."
."
Rishadan Footpad87%
$0.32↓#19984↓0.35↓27.0 years
"When this creature enters, each opponent sacrifices a permanent of their choice unless they pay ."
."
Rishadan Brigand84%
$0.47↓#21927↓0.47↓27.0 years
"When this creature enters, each opponent sacrifices a permanent of their choice unless they pay 
."
."
Energy Flux82%
$0.27↓#151211.53↑32.6 years↑
"All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay .""
.""
Pendrell Mists79%
$12.80↑#174101.61↑29.4 years↑
"All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay .""
.""
Magus of the Tabernacle78%
$2.14↓#17460↓1.52↑19.7 years↓
"All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay .""
.""
Misguided Rage76%
$0.15↓#29819↓0.06↓23.4 years↓
"Target player sacrifices a permanent of their choice."
Phyrexian Obliterator76%
$9.97↑#1889↑1.41↑15.4 years↓
"Whenever a source deals damage to this creature, that source's controller sacrifices that many permanents of their choice."
Soul Barrier75%
$0.27↓#18032↓0.88↓31.4 years↑
"Whenever an opponent casts a creature spell, this enchantment deals 2 damage to that player unless they pay ."
."
Kataki, War's Wage75%
$0.64↓#9834↑1.39↑21.4 years↓
"All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay .""
.""
Akki Underminer75%
$0.21↓#23470↓0.25↓22.1 years↓
"Whenever this creature deals combat damage to a player, that player sacrifices a permanent of their choice."
Soul Tithe73%
$0.18↓#18653↓0.64↓14.0 years↓
"At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay 
, where X is its mana value."
, where X is its mana value."
Isolation Cell72%
$0.29↓#127180.50↓15.4 years↓
"Whenever an opponent casts a creature spell, that player loses 2 life unless they pay ."
."
Razia's Purification72%
$1.08↓#21495↓1.55↑21.0 years↓
"Each player chooses three permanents they control, then sacrifices the rest."
Essence Leak72%
$0.27↓#26889↓0.40↓26.0 years
"As long as enchanted permanent is red or green, it has "At the beginning of your upkeep, sacrifice this permanent unless you pay its mana cost.""
Silverclad Ferocidons71%
$0.94↓#5385↑0.69↓8.8 years↓
"Whenever this creature is dealt damage, each opponent sacrifices a permanent of their choice."
Aura Flux71%
$0.24↓#24741↓1.12↓27.7 years
"Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay .""
.""
Slow Motion70%
$0.19↓#24000↓0.22↓27.7 years
"At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay ."
."