Coral Colony {1}{U}
Creature — Wall
Defender
{1}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender. (To mill a card, a player puts the top card of their library into their graveyard.)
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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.
Doorkeeper 99%
$0.13#17442
"{2}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender."
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