Dragon Broodmother 




Creature — Dragon
Flying
At the beginning of each upkeep, create a 1/1 red and green Dragon creature token with flying and devour 2. (As the token enters, you may sacrifice any number of creatures. It enters with twice that many +1/+1 counters on it.)
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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.
Skyline Despot 85%
$0.64#3603
"At the beginning of your upkeep, if you're the monarch, create a 5/5 red Dragon creature token with flying."
Dragonmaster Outcast 83%
$0.36#1501
"At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying."