Skyclave Squid 

Creature — Squid
Defender
Landfall — Whenever a land you control enters, this creature can attack this turn as though it didn't have defender.
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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.
Monstrous Hound 82%
$0.24#31255
"This creature can't attack unless you control more lands than defending player."