Blister Beetle 

Creature — Insect
$0.05 #24629 0.29 17.9 years
When this creature enters, target creature gets -1/-1 until end of turn.
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Cards similar to Blister Beetle expected a card that isn't here?
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"When this creature enters, target creature an opponent controls gets -2/-2 until end of turn if that opponent controls no other creatures."
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"When this creature enters, target creature an opponent controls gets -2/-2 until end of turn."