Contaminated Bond 
Enchantment — Aura
$0.10 #19718 0.12 22.9 years
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature attacks or blocks, its controller loses 3 life.
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Cards similar to Contaminated Bond expected a card that isn't here?
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Sinister Possession100%
$0.09↓#183610.00↓13.3 years↓
"Whenever enchanted creature attacks or blocks, its controller loses 2 life."
Nettling Curse98%
$0.09↓#27316↓0.1320.3 years↓
"Whenever enchanted creature attacks or blocks, its controller loses 3 life."
+1 more matching line
Soul Bleed86%
$0.06↓#27550↓0.2017.1 years↓
"At the beginning of the upkeep of enchanted creature's controller, that player loses 1 life."
+1 more matching line
Parasitic Impetus83%
$0.13↑#2816↑0.196.4 years↓
"Whenever enchanted creature attacks, its controller loses 2 life and you gain 2 life."
Stab Wound82%
$0.10#8978↑0.27↑13.9 years↓
"At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life."
+1 more matching line
Carnage Gladiator81%
$0.04↓#201710.53↑13.3 years↓
"Whenever a creature blocks, that creature's controller loses 1 life."
Brand of Ill Omen81%
$1.59↑#26273↓0.93↑31.3 years↑
"Enchant creature"
Binding Agony81%
$0.18↑#228330.22↑29.9 years↑
"Enchant creature"
Inevitable End80%
$0.17↑#194060.62↑6.6 years↓
"Enchant creature"
Bestial Fury80%
$0.15↑#192580.36↑30.2 years↑
"Enchant creature"
Morgul-Knife Wound80%
$0.16↑#14214↑0.29↑3.2 years↓
"Enchant creature"
Mage Hunters' Onslaught79%
$0.14↑#235090.115.4 years↓
"Whenever a creature blocks this turn, its controller loses 1 life."
Luminous Wake78%
$0.19↑#221200.00↓16.4 years↓
"Whenever enchanted creature attacks or blocks, you gain 4 life."
+1 more matching line
Hissing Miasma76%
$2.52↑#9843↑0.24↑20.6 years↓
"Whenever a creature attacks you, its controller loses 1 life."
One Thousand Lashes74%
$0.10#202590.57↑13.6 years↓
"At the beginning of the upkeep of enchanted creature's controller, that player loses 1 life."
+1 more matching line
Blood Reckoning73%
$0.30↑#12239↑0.62↑14.1 years↓
"Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life."
Primal Cocoon72%
$0.18↑#24159↓0.38↑16.1 years↓
"When enchanted creature attacks or blocks, sacrifice this Aura."
Vedalken Ghoul72%
$0.22↑#27304↓0.53↑17.3 years↓
"Whenever this creature becomes blocked, defending player loses 4 life."
Powerstone Minefield72%
$0.39↑#193590.37↑25.3 years↑
"Whenever a creature attacks or blocks, this enchantment deals 2 damage to it."
Pretender's Claim72%
$0.31↑#28287↓0.42↑26.9 years↑
"Whenever enchanted creature becomes blocked, tap all lands defending player controls."