Allosaurus Shepherd 
Creature — Elf Shaman
$50.90 #1677 0.83 6.3 years
This spell can't be countered.
Green spells you control can't be countered.
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Cards similar to Allosaurus Shepherd 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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"Creature spells you control can't be countered."
+1 more matching line
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"Creature spells you control can't be countered."
+1 more matching line
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"This spell can't be countered."
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"

,
: Choose a creature type. Each creature you control becomes that type until end of turn."
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"Other creatures have base power and toughness 2/2 and are Bears in addition to their other types."
Frenzied Baloth72%
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"Creature spells you control can't be countered."
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Insist72%
$2.06↓#17782↓0.07↓24.7 years↑
"The next creature spell you cast this turn can't be countered."
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"This spell can't be countered."
+1 more matching line