Mangara's Equity {1}{W}{W}
Enchantment
As this enchantment enters, choose black or red.
At the beginning of your upkeep, sacrifice this enchantment unless you pay {1}{W}.
Whenever a creature of the chosen color deals damage to you or a white creature you control, this enchantment deals that much damage to that creature.
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Cards that do something similar expected a card that isn't here?
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Glaciers 93%
$0.53#29193
"At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{U}."
Drought 92%
$0.32#27513
"At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}."
Justice 92%
$0.19#27313
"At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}."
+1 more matching line
Conversion 92%
#26418
"At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}."