Aetherstream Leopard 
Creature — Cat
$0.05 #27222 0.11 9.7 years
Trample
When this creature enters, you get 
(an energy counter).
(an energy counter).Whenever this creature attacks, you may pay . If you do, it gets +2/+0 until end of turn.
. If you do, it gets +2/+0 until end of turn.Click a line or tag to filter
Cards similar to Aetherstream Leopard expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
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"Whenever this creature attacks, you may pay . If you do, it gets +2/+2 until end of turn."
. If you do, it gets +2/+2 until end of turn."+2 more matching lines
Electrozoa97%
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"When this creature enters, you get ."
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"When this creature enters, you get ."
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Aether Theorist96%
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"When this creature enters, you get ."
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"When this creature enters, you get ."
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"When this creature enters, you get ."
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Whirler Virtuoso95%
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"When this creature enters, you get ."
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Bristling Hydra95%
$0.16↑#18387↑0.0810.1 years
"When this creature enters, you get ."
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Consulate Surveillance95%
$0.28↑#13546↑0.1510.1 years
"When this enchantment enters, you get ."
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Aether Hub95%
$0.18↑#3454↑0.0310.1 years
"When this land enters, you get ."
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Voltaic Brawler94%
$0.17↑#282970.0710.1 years
"Whenever this creature attacks, you may pay . If you do, it gets +1/+1 and gains trample until end of turn."
. If you do, it gets +1/+1 and gains trample until end of turn."+1 more matching line
Scrapper Champion93%
$0.25↑#237580.069.7 years
"Whenever this creature attacks, you may pay . If you do, put a +1/+1 counter on it."
. If you do, put a +1/+1 counter on it."+1 more matching line
Thriving Skyclaw92%
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"Whenever this creature attacks, you may pay . If you do, put a +1/+1 counter on it."
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"When this artifact enters, you get ."
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Aethersphere Harvester92%
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"When this Vehicle enters, you get ."
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Aethertide Whale92%
$0.11↑#8784↑0.079.7 years
"When this creature enters, you get six ."
."