No Mercy 
Enchantment
$11.69 #1455 1.27 27.7 years
Whenever a creature deals damage to you, destroy it.
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Cards similar to No Mercy expected a card that isn't here?
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Dread96%
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"Whenever a creature deals damage to you, destroy it."
Teysa, Envoy of Ghosts90%
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"Whenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying."
Mikaeus, the Unhallowed76%
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"Whenever a Human deals damage to you, destroy it."
Giltspire Avenger73%
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"
: Destroy target creature that dealt damage to you this turn."
: Destroy target creature that dealt damage to you this turn."
Spear of Heliod73%
$0.90↓#5421↓0.48↓13.1 years↓
"
, : Destroy target creature that dealt damage to you this turn."
, : Destroy target creature that dealt damage to you this turn."
Red Guardian, Super-Soldier72%
$0.12↓#22707↓0.32↓0.3 years↓
"When this card enters, destroy target creature an opponent controls that dealt damage this turn."
Avenging Arrow70%
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"Destroy target creature that dealt damage this turn."
Retaliate70%
$0.53↓#24052↓0.11↓22.4 years↓
"Destroy all creatures that dealt damage to you this turn."