Field of Souls {2}{W}{W}
Enchantment
Whenever a nontoken creature is put into your graveyard from the battlefield, create a 1/1 white Spirit creature token with flying.
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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.
Thalia's Geistcaller 90%
$0.24#21246
"Whenever you cast a spell from your graveyard, create a 1/1 white Spirit creature token with flying."
Teysa, Opulent Oligarch 89%
$0.34#6338
"Whenever a Clue you control is put into a graveyard from the battlefield, create a 1/1 white and black Spirit creature token with flying. This ability triggers only once each turn."
Clarion Spirit 87%
$0.17#7013
"Whenever you cast your second spell each turn, create a 1/1 white Spirit creature token with flying."
Valor of the Worthy 86%
$0.15#19895
"When enchanted creature leaves the battlefield, create a 1/1 white Spirit creature token with flying."
Kykar, Wind's Fury 86%
$0.37#3145
"Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying."
Whispering Wizard 86%
$0.20#17792
"Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying. This ability triggers only once each turn."
Ranar the Ever-Watchful 86%
$0.41#11630
"Whenever one or more cards are put into exile from your hand or a spell or ability you control exiles one or more permanents from the battlefield, create a 1/1 white Spirit creature token with flying."
Ethereal Investigator 84%
$0.40#3972
"Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with flying."
Oyobi, Who Split the Heavens 82%
$0.29#12293
"Whenever you cast a Spirit or Arcane spell, create a 3/3 white Spirit creature token with flying."
King of the Oathbreakers 81%
$0.37#11846
"Whenever this card or another Spirit you control phases in, create a tapped 1/1 white Spirit creature token with flying."