Silent Submersible 

Artifact — Vehicle
Whenever this Vehicle deals combat damage to a player or planeswalker, draw a card.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)
click a line to search just that ability, click more to combine them
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.
The Thanos-Copter 87%
$2.03#19680
"Whenever a Vehicle you control deals combat damage to a player, draw a card."
+1 more matching line
Psychic Frog 84%
$5.55#2174
"Whenever this creature deals combat damage to a player or planeswalker, draw a card."