Enchanter's Bane 
Enchantment
$0.62 #9656 0.42 8.1 years
At the beginning of your end step, target enchantment deals damage equal to its mana value to its controller unless that player sacrifices it.
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Cards similar to Enchanter's Bane expected a card that isn't here?
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Viashino Heretic75%
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", 
: Destroy target artifact. This creature deals damage to that artifact's controller equal to the artifact's mana value."
, : Destroy target artifact. This creature deals damage to that artifact's controller equal to the artifact's mana value."
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"Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay 
.""
.""
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"• Target opponent sacrifices an enchantment of their choice."
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"this card deals damage to target spell's controller equal to that spell's mana value."