Raven Eagle 

Creature — Bird Assassin
Flying
Whenever this creature enters or attacks, exile up to one target card from a graveyard. If a creature card is exiled this way, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Whenever you draw your second card each turn, each opponent loses 1 life and you gain 1 life.
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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.
Kang, Temporal Tyrant 100%
$0.17#13647
"Whenever you draw your second card each turn, each opponent loses 1 life and you gain 1 life."
Gixian Puppeteer 99%
$2.21#4072
"Whenever you draw your second card each turn, each opponent loses 2 life and you gain 2 life."
Sungold Sentinel 97%
$0.27#18335
"Whenever this creature enters or attacks, exile up to one target card from a graveyard."
Wreck Remover 88%
$0.16#16579
"Whenever this creature enters or attacks, exile up to one target card from a graveyard. You gain 1 life."
Narci, Fable Singer 88%
#5079
"Whenever the final chapter ability of a Saga you control resolves, each opponent loses X life and you gain X life, where X is that Saga's mana value."
Knights of the Black Rose 86%
$0.35#11544
"Whenever an opponent becomes the monarch, if you were the monarch as the turn began, that player loses 2 life and you gain 2 life."
Scheming Aspirant 86%
$0.28#6768
"Whenever you proliferate, each opponent loses 2 life and you gain 2 life."
Eriette of the Charmed Apple 85%
$0.29#3934
"At the beginning of your end step, each opponent loses X life and you gain X life, where X is the number of Auras you control."
Garrulous Sycophant 85%
$0.15#16404
"At the beginning of your end step, if you're the monarch, each opponent loses 1 life and you gain 1 life."
Sinister Monolith 84%
$0.21#6029
"At the beginning of combat on your turn, each opponent loses 1 life and you gain 1 life."
Hazel's Brewmaster 84%
$2.92#2251
"Whenever this creature enters or attacks, exile up to one target card from a graveyard and create a Food token."
Nadier's Nightblade 84%
$0.28#859
"Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life."
Sanctum of Stone Fangs 83%
$1.25#3642
"At the beginning of your first main phase, each opponent loses X life and you gain X life, where X is the number of Shrines you control."
Graveyard Trespasser // Graveyard Glutton 83%
$0.46#16262
"Whenever this creature enters or attacks, exile up to one target card from a graveyard. If a creature card was exiled this way, each opponent loses 1 life and you gain 1 life."
Whiplash, Vengeful Engineer 82%
$0.14#22535
"Whenever this card attacks, if he's equipped, each opponent loses X life and you gain X life, where X is the number of Equipment attached to him."
Dogged Pursuit 82%
$0.20#12399
"At the beginning of your end step, each opponent loses 1 life and you gain 1 life."
Kambal, Consul of Allocation 81%
$10.58#1284
"Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life."
Yawgmoth's Edict 81%
$0.19#25583
"Whenever an opponent casts a white spell, that player loses 1 life and you gain 1 life."
Zimone and Dina 80%
$0.53#9746
"Whenever you draw your second card each turn, target opponent loses 2 life and you gain 2 life."