Ranger Class 

Enchantment — Class
(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a 2/2 green Wolf creature token.
{1}{G}: Level 2
Whenever you attack, put a +1/+1 counter on target attacking creature.
{3}{G}: Level 3
You may look at the top card of your library any time.
You may cast creature spells from the top of your library.
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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.
Araña, Heart of the Spider 100%
$0.60#6203
"Whenever you attack, put a +1/+1 counter on target attacking creature."
+1 more matching line
Leader's Talent 100%
$0.71#10906
"Whenever you attack, put a +1/+1 counter on target attacking creature."
Surgical Suite // Hospital Room 100%
$0.23#8463
"Whenever you attack, put a +1/+1 counter on target attacking creature."
Vivien, Monsters' Advocate 100%
$2.95#6254
"You may cast creature spells from the top of your library."
+2 more matching lines
Vizier of the Menagerie 100%
$0.37#4267
"You may cast creature spells from the top of your library."
+1 more matching line
Elven Chorus 100%
$4.21#1376
"You may cast creature spells from the top of your library."
+1 more matching line
Eladamri, Korvecdal 100%
$3.76#2091
"You may cast creature spells from the top of your library."
+1 more matching line
Garruk's Horde 100%
$0.18#9151
"You may cast creature spells from the top of your library."
+1 more matching line
Elturgard Ranger 84%
$0.18#21572
"When this creature enters, create a 2/2 green Wolf creature token."
Erithizon 80%
$0.39#31125
"Whenever this creature attacks, put a +1/+1 counter on target creature of defending player's choice."
Realmwalker 88%
$1.11#607
"You may cast creature spells of the chosen type from the top of your library."
+1 more matching line
Elsha of the Infinite 85%
$0.65#6506
"You may cast noncreature spells from the top of your library. If you cast a spell this way, you may cast it as though it had flash."
+1 more matching line