Heart of Light 
Enchantment — Aura
$0.10 #25985 0.20 21.7 years
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Prevent all damage that would be dealt to and dealt by enchanted creature.
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Cards similar to Heart of Light expected a card that isn't here?
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Muzzle100%
$0.13↑#280970.37↑27.0 years↑
"Prevent all damage that would be dealt by enchanted creature."
Gaseous Form100%
$0.07↓#245750.2632.4 years↑
"Prevent all combat damage that would be dealt to and dealt by enchanted creature."
+1 more matching line
Sandskin100%
$0.08↓#281940.60↑24.0 years↑
"Prevent all combat damage that would be dealt to and dealt by enchanted creature."
Defang98%
$0.14↑#225290.44↑14.5 years↓
"Prevent all damage that would be dealt by enchanted creature."
+1 more matching line
Ghostly Possession92%
$0.12↑#225960.2515.1 years↓
"Prevent all combat damage that would be dealt to and dealt by enchanted creature."
Inviolability90%
$0.26↑#19398↑0.31↑27.0 years↑
"Prevent all damage that would be dealt to enchanted creature."
+1 more matching line
Statecraft88%
$5.26↑#14336↑0.48↑27.0 years↑
"Prevent all combat damage that would be dealt to and dealt by creatures you control."
Demonic Torment84%
$5.29↑#283180.44↑32.4 years↑
"Prevent all combat damage that would be dealt by enchanted creature."
+1 more matching line
Flowering Field84%
$0.12↑#303140.00↓26.4 years↑
"Enchanted land has "
: Prevent the next 1 damage that would be dealt to any target this turn.""
: Prevent the next 1 damage that would be dealt to any target this turn.""
Azorius Ploy84%
$0.18↑#270620.09↓20.5 years↓
"Prevent all combat damage target creature would deal this turn."
Pay No Heed84%
$0.08↓#211890.06↓24.7 years↑
"Prevent all damage a source of your choice would deal this turn."
Bubble Matrix82%
$11.27↑#18836↑0.77↑29.4 years↑
"Prevent all damage that would be dealt to creatures."
Enchanted Being81%
$0.50↑#32048↓0.1332.4 years↑
"Prevent all combat damage that would be dealt to this creature by enchanted creatures."
Soul Parry80%
$0.04↓#245360.2716.1 years↓
"Prevent all damage one or two target creatures would deal this turn."
Temporal Isolation80%
$0.13↑#16809↑0.31↑20.0 years↓
"Prevent all damage that would be dealt by enchanted creature."
Candletrap80%
$0.24↑#17277↑0.44↑5.1 years↓
"Prevent all combat damage that would be dealt by enchanted creature."
Uncle Istvan80%
$0.27↑#239840.1632.2 years↑
"Prevent all damage that would be dealt to this creature by creatures."
Wall of Putrid Flesh79%
$3.68↑#301650.00↓32.4 years↑
"Prevent all damage that would be dealt to this creature by enchanted creatures."
Light of Sanction79%
$0.42↑#236780.06↓21.0 years
"Prevent all damage that would be dealt to creatures you control by sources you control."
Cho-Manno, Revolutionary79%
$0.46↑#19452↑0.1827.0 years↑
"Prevent all damage that would be dealt to this card."