Quest for the Necropolis 
Enchantment
Landfall — Whenever a land you control enters, put a quest counter on this enchantment.
{5}{B}, Sacrifice this enchantment: Put target creature card from a graveyard onto the battlefield under your control. This ability costs {1} less to activate for each quest counter on this enchantment. Activate only as a sorcery.
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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.
Ior Ruin Expedition 98%
$0.23#14701
"Whenever a land you control enters, you may put a quest counter on this enchantment."
Khalni Heart Expedition 98%
$0.42#2513
"Whenever a land you control enters, you may put a quest counter on this enchantment."
Zektar Shrine Expedition 98%
$0.07#19018
"Whenever a land you control enters, you may put a quest counter on this enchantment."
Soul Stair Expedition 98%
$0.10#17724
"Whenever a land you control enters, you may put a quest counter on this enchantment."