$0.06
Foundry Hornet 
Creature — Insect
Aether Revolt Uncommon
Flying
When Foundry Hornet enters the battlefield, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn.
When Foundry Hornet enters the battlefield, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn.
Its buzzing is easily mistaken for the hum of a thopter's wings.
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#59 — Illus. Christopher Moeller