Loyal Guardian 

Creature — Rhino
Trample
Lieutenant — At the beginning of combat on your turn, if you control your commander, put a +1/+1 counter on each creature you control.
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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.
Ouroboroid 87%
$30.56#1832
"At the beginning of combat on your turn, put X +1/+1 counters on each creature you control, where X is this creature's power."
Avabruck Caretaker // Hollowhenge Huntmaster 83%
$5.08#7328
"At the beginning of combat on your turn, put two +1/+1 counters on each creature you control."