Harsh Mercy {2}{W}
Sorcery
Each player chooses a creature type. Destroy all creatures that aren't of a type chosen this way. They can't be regenerated.
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Cards that do something similar expected a card that isn't here?
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Tsabo's Decree 81%
$1.34#22966
"Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated."