Pendrell Flux 
Enchantment — Aura
$0.13 #26887 0.36 27.9 years
Enchant creature
Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you pay its mana cost."
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Cards similar to Pendrell Flux expected a card that isn't here?
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Pendrell Mists87%
$12.76↑#17212↑1.23↑29.2 years↑
"All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay .""
.""
Instill Furor86%
$0.04↓#297550.07↓20.9 years↓
"Enchanted creature has "At the beginning of your end step, sacrifice this creature unless it attacked this turn.""
Magus of the Tabernacle85%
$2.00↑#17203↑1.26↑19.6 years↓
"All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay .""
.""
Slow Motion84%
$0.19↑#237020.4427.6 years
"At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay 
."
."+1 more matching line
Disruption Aura82%
$0.11↓#302080.3222.3 years↓
"Enchanted artifact has "At the beginning of your upkeep, sacrifice this artifact unless you pay its mana cost.""
Aura Flux82%
$0.23↑#245231.14↑27.6 years
"Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay .""
.""
Inevitable End82%
$0.17↑#19406↑0.62↑6.6 years↓
"Enchanted creature has "At the beginning of your upkeep, sacrifice a creature.""
+1 more matching line
Vile Consumption81%
$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.""
Mana Chains80%
$0.22↑#234130.4129.2 years↑
"Enchanted creature has "Cumulative upkeep .""
.""+1 more matching line
Sporogenic Infection80%
$0.24↑#12222↑0.15↓1.9 years↓
"Enchant creature"
Destructive Urge78%
$0.54↑#17661↑1.03↑27.9 years
"Enchant creature"
Withercrown77%
$0.18↑#18890↑0.295.6 years↓
"Enchanted creature has base power 0 and has "At the beginning of your upkeep, you lose 1 life unless you sacrifice this creature.""
Soul Tithe76%
$0.17↑#18409↑0.25↓13.9 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."
Lingering Death76%
$0.15↑#248390.2623.3 years↓
"At the beginning of the end step of enchanted creature's controller, that player sacrifices that creature."
Essence Leak75%
$0.25↑#265770.4125.9 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.""
Coral Net74%
$0.22↑#293190.47↑24.6 years↓
"Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you discard a card.""
Morgul-Knife Wound74%
$0.16↑#14214↑0.293.2 years↓
"Enchanted creature gets -3/-0 and has "At the beginning of your upkeep, exile this creature unless you pay 2 life.""
+1 more matching line
Decomposition73%
$0.13#305190.55↑29.9 years↑
"Enchanted creature has "Cumulative upkeep—Pay 1 life.""
Energy Flux73%
$0.19↑#14903↑1.14↑32.5 years↑
"All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay .""
.""
Kataki, War's Wage72%
$0.85↑#9602↑1.06↑21.3 years↓
"All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay .""
.""