Salvation Engine 
Artifact — Vehicle
$2.47 #3816 0.23 1.6 years
Other artifact creatures you control get +2/+2.
Whenever this Vehicle attacks, return up to one target artifact card from your graveyard to the battlefield.
Crew 6
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Cards similar to Salvation Engine 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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+1 more matching line
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"Crew 2"
Renegade Freighter84%
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"Crew 2"
Ovalchase Dragster84%
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"Crew 1"
Brute Suit84%
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"Crew 1"
Funeral Longboat84%
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"Crew 1"
Sleek Schooner84%
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"Crew 1"
Thundering Chariot84%
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"Crew 1"
Lifecraft Engine84%
$0.23↓#5902↓0.261.6 years
"Crew 3"
Hulldrifter84%
$0.17↓#10773↓0.07↓1.6 years
"Crew 3"
Sky Skiff84%
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"Crew 1"
Dragonfly Suit84%
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"Crew 1"