Generous Patron 

Creature — Elf Advisor
When this creature enters, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)
Whenever you put one or more counters on a creature you don't control, draw a card.
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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.
Mikey & Leo, Chaos & Order 89%
$1.39#8138
"Whenever you put a counter on a creature you control, draw a card. This ability triggers only once each turn."
Baral, Chief of Compliance 86%
$2.50#1315
"Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card."
Ray Fillet, Wave Warrior 85%
$0.34#7967
"Whenever a creature you control with a counter on it deals combat damage to a player, draw a card."
Danny Pink 83%
$15.11#2757
"Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card.""