Emptiness {4}{W/B}{W/B}
Creature — Elemental Incarnation
When this creature enters, if {W}{W} was spent to cast it, return target creature card with mana value 3 or less from your graveyard to the battlefield.
When this creature enters, if {B}{B} was spent to cast it, put three -1/-1 counters on up to one target creature.
Evoke {W/B}{W/B}
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Cards that do something similar 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.
Timely Hordemate 97%
$0.05#26827
"When this creature enters, if you attacked this turn, return target creature card with mana value 2 or less from your graveyard to the battlefield."
Sun-Blessed Healer 95%
$0.22#16047
"When this creature enters, if it was kicked, return target nonland permanent card with mana value 2 or less from your graveyard to the battlefield."
+1 more matching line
Balduvian Atrocity 92%
$0.09#24090
"When this creature enters, if it was kicked, return target creature card with mana value 3 or less from your graveyard to the battlefield. It gains haste. Sacrifice it at the beginning of the next end step."
Renegade Rallier 92%
$0.30#14943
"When this creature enters, if a permanent left the battlefield under your control this turn, return target permanent card with mana value 2 or less from your graveyard to the battlefield."
Plague Belcher 89%
$0.44#3640
"When this creature enters, put two -1/-1 counters on target creature you control."
Defiant Greatmaw 89%
$0.18#21332
"When this creature enters, put two -1/-1 counters on target creature you control."
Soulstinger 89%
$0.11#19198
"When this creature enters, put two -1/-1 counters on target creature you control."
Exemplar of Strength 89%
$0.22#24130
"When this creature enters, put three -1/-1 counters on target creature you control."
Channeler Initiate 89%
$0.21#6090
"When this creature enters, put three -1/-1 counters on target creature you control."
Hero of the Dunes 88%
$0.13#18560
"When this creature enters, return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield."
Astelli Reclaimer 87%
$0.33#8955
"When this creature enters, return target noncreature, nonland permanent card with mana value X or less from your graveyard to the battlefield, where X is the amount of mana spent to cast this creature."
+1 more matching line
Sigardian Savior 87%
$0.36#21355
"When this creature enters, if you cast it, return up to two target creature cards with mana value 2 or less from your graveyard to the battlefield."
Redemption Choir 86%
$0.31#6147
"Whenever this creature enters or attacks, if you control three or more creatures with different powers, return target permanent card with mana value 3 or less from your graveyard to the battlefield."
Spitting Dilophosaurus 85%
$30.86#5463
"Whenever this creature enters or attacks, put a -1/-1 counter on up to one target creature."
Herald of the Forgotten 85%
$0.34#12612
"When this creature enters, if you cast it, return any number of target permanent cards with cycling abilities from your graveyard to the battlefield."
Gwyllion Hedge-Mage 84%
$0.12#28679
"When this creature enters, if you control two or more Swamps, you may put a -1/-1 counter on target creature."
Magister of Worth 84%
$0.33#9619
"When this creature enters, starting with you, each player votes for grace or condemnation. If grace gets more votes, each player returns each creature card from their graveyard to the battlefield. If condemnation gets more votes or the vote is tied, destroy all creatures other than this creature."