Shielded Aether Thief 
Creature — Vedalken Rogue
$0.21 #19445 0.00 9.7 years
Flash (You may cast this spell any time you could cast an instant.)
Whenever this creature blocks, you get 
(an energy counter).
(an energy counter).
, Pay : Draw a card.Click a line or tag to filter
Cards similar to Shielded Aether Thief 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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", Pay : Draw a card."
, Pay : Draw a card."
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, Pay six : Draw three cards."
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"
, , Pay X : Draw X cards."
, , Pay X : Draw X cards."+1 more matching line
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", Pay : Draw a card."
, Pay : Draw a card."+1 more matching line
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"Flash"
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"Whenever this card attacks or blocks, sacrifice it unless you pay ."
."+1 more matching line
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", Pay : Draw a card, then discard a card."
, Pay : Draw a card, then discard a card."+1 more matching line
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$0.07↓#26684↓0.13↑10.1 years
"Whenever this creature attacks, you may pay . If you do, target creature can't block this turn."
. If you do, target creature can't block this turn."
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$0.07↓#26668↓0.002.3 years↓
"At the beginning of your first main phase, tap this creature unless you pay ."
."+1 more matching line
Glint-Sleeve Siphoner82%
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"At the beginning of your upkeep, you may pay . If you do, you draw a card and you lose 1 life."
. If you do, you draw a card and you lose 1 life."+1 more matching line
Aethersquall Ancient80%
$0.18↓#6749↑0.44↑10.1 years
"At the beginning of your upkeep, you get ."
."
Psychic Membrane80%
$0.21#174650.0623.0 years↑
"Whenever this creature blocks, you may draw a card."
Aetherstream Leopard80%
$0.05↓#27222↓0.11↑9.7 years
"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."
Riparian Tiger80%
$0.09↓#27738↓0.17↑10.1 years
"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."
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"Whenever this creature attacks, you get ."
."
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": You get ."
: You get ."
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"Whenever you attack, you get ."
."+1 more matching line
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"Whenever this creature attacks, you may pay . If you do, draw a card."
. If you do, draw a card."
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$0.16↓#27580↓0.0010.1 years
"At the beginning of your end step, sacrifice this creature unless you pay ."
."+1 more matching line
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"When this creature enters, you get ."
."