Circle of the Moon Druid {2}{G}
Creature — Human Elf Druid
Bear Form — During your turn, this creature is a Bear with base power and toughness 4/2. (It loses all other creature types.)
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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.