Salvation Engine 
Artifact — Vehicle
$2.42 #3692 0.16 1.7 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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"Other artifact creatures you control get +1/+1."
+1 more matching line
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"Crew 6"
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Futurist Sentinel86%
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"Crew 3"
Untethered Express86%
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"Crew 1"
+1 more matching line
Dusk Legion Dreadnought85%
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Renegade Freighter85%
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Thundersteel Colossus85%
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"Crew 2"
Dune Drifter85%
$0.16↓#18939↓0.05↓1.7 years
"Crew 2"
+1 more matching line
Ovalchase Dragster84%
$0.26↓#17364↓0.06↓10.1 years↑
"Crew 1"
Brute Suit84%
$0.17↓#16987↓0.00↓4.7 years↑
"Crew 1"
Thundering Chariot84%
$0.05↓#20941↓0.06↓6.7 years↑
"Crew 1"
Sleek Schooner84%
$0.18↓#21507↓0.00↓9.1 years↑
"Crew 1"
Funeral Longboat84%
$0.12↓#20894↓0.38↑5.7 years↑
"Crew 1"
Lifecraft Engine84%
$0.18↓#5771↓0.141.7 years
"Crew 3"
Hulldrifter84%
$0.22↓#10800↓0.06↓1.7 years
"Crew 3"
Dragonfly Suit84%
$0.11↓#19375↓0.00↓4.7 years↑
"Crew 1"
Sky Skiff84%
$0.15↓#18887↓0.06↓10.1 years↑
"Crew 1"