Steel-Plume Marshal {3}{W}{W}
Creature — Bird Soldier
Flying
Whenever this creature attacks, other attacking creatures you control with flying get +2/+2 until end of turn.
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Cards that do something similar expected a card that isn't here?
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Kangee's Lieutenant 89%
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"Whenever this creature attacks, attacking creatures with flying get +1/+1 until end of turn."
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"Whenever this creature attacks, other creatures you control get +1/+1 until end of turn."
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Triceraton Commander 83%
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+1 more matching line
Consul's Lieutenant 82%
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"Whenever this creature attacks, if it's renowned, other attacking creatures you control get +1/+1 until end of turn."
Wild Beastmaster 82%
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"Whenever this creature attacks, each other creature you control gets +X/+X until end of turn, where X is this creature's power."
Skycat Sovereign 82%
$0.37#7285
"This creature gets +1/+1 for each other creature you control with flying."
+1 more matching line
Pride of the Clouds 80%
$2.17#15464
"This creature gets +1/+1 for each other creature on the battlefield with flying."