Killing Wave 
Sorcery
$0.38 #5973 0.48 14.4 years
For each creature, its controller sacrifices it unless they pay X life.
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Cards similar to Killing Wave expected a card that isn't here?
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Vile Consumption86%
$10.23↑#13569↓0.93↑25.9 years↑
"All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life.""
Magus of the Tabernacle84%
$2.00↑#17203↓1.26↑19.6 years↑
"All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 
.""
.""
Pendrell Mists84%
$12.76↑#17212↓1.23↑29.2 years↑
"All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay .""
.""
Fade Away79%
$0.28↓#13312↓0.99↑28.2 years↑
"For each creature, its controller sacrifices a permanent of their choice unless they pay ."
."
Cleansing78%
$12.11↑#21972↓1.22↑32.1 years↑
"For each land, destroy that land unless any player pays 1 life."
Pillar Tombs of Aku74%
$1.04↑#29646↓0.12↓29.6 years↑
"At the beginning of each player's upkeep, that player may sacrifice a creature of their choice. If that player doesn't, they lose 5 life and you sacrifice this enchantment."
Bellowing Mauler72%
$0.26↓#18711↓0.404.4 years↓
"At the beginning of your end step, each player loses 4 life unless they sacrifice a nontoken creature of their choice."
Slow Motion72%
$0.19↓#23702↓0.4427.6 years↑
"At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay 
."
."
Indulgent Tormentor72%
$0.26↓#3923↑0.28↓12.1 years↓
"At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature of their choice or pays 3 life."
The Tabernacle at Pendrell Vale70%
$3069.50↑#8892↓2.68↑32.3 years↑
"All creatures have "At the beginning of your upkeep, destroy this creature unless you pay .""
.""
Geth's Verdict70%
$0.23↓#17511↓0.20↓15.3 years
"Target player sacrifices a creature of their choice and loses 1 life."
Vectis Dominator70%
$0.09↓#29408↓0.14↓17.3 years↑
"
: Tap target creature unless its controller pays 2 life."
: Tap target creature unless its controller pays 2 life."