Roil Cartographer 
Creature — Merfolk Rogue
$0.23 #4940 0.29 2.2 years
Landfall — Whenever a land you control enters, you get 
(an energy counter).
(an energy counter).
, Pay six : Draw three cards.Click a line or tag to filter
Cards similar to Roil Cartographer 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.
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"Whenever a land you control enters, you get ."
."
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"Whenever a land you control enters, you get ."
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"
, , Pay X : Draw X cards."
, , Pay X : Draw X cards."+1 more matching line
Shielded Aether Thief90%
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", Pay : Draw a card."
, Pay : Draw a card."+1 more matching line
Dr. Madison Li86%
$0.21↓#7076↓0.192.5 years
", Pay : Draw a card."
, Pay : Draw a card."
Aetherflux Conduit86%
$0.31↑#56370.341.6 years
", Pay fifty : Draw seven cards. You may cast any number of spells from your hand without paying their mana costs."
, Pay fifty : Draw seven cards. You may cast any number of spells from your hand without paying their mana costs."
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$0.16↓#6545↓0.00↓2.2 years
", Pay : Draw a card."
, Pay : Draw a card."+1 more matching line
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$0.25↑#8074↓0.339.9 years↑
"Whenever this creature or another creature you control enters, you get ."
."
Aether Hub80%
$0.16↓#3415↑0.249.9 years↑
"When this land enters, you get ."
."
Tempest Harvester80%
$0.13↓#16126↓0.18↓2.2 years
", Pay : Draw a card, then discard a card."
, Pay : Draw a card, then discard a card."+1 more matching line
Era of Innovation78%
$0.23#7386↓0.53↑9.9 years↑
"Pay six , Sacrifice this enchantment: Draw three cards."
, Sacrifice this enchantment: Draw three cards."+1 more matching line
Aethersquall Ancient78%
$0.19↓#6637↓0.45↑9.9 years↑
"At the beginning of your upkeep, you get ."
."
Spontaneous Artist78%
$0.13↓#26132↓0.06↓9.9 years↑
"When this creature enters, you get ."
."
Aetherstream Leopard78%
$0.05↓#26939↓0.12↓9.6 years↑
"When this creature enters, you get ."
."
Glint-Sleeve Siphoner78%
$0.25↑#17971↓0.269.6 years↑
"Whenever this creature enters or attacks, you get ."
."+1 more matching line
Electrozoa78%
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"When this creature enters, you get ."
."
Seer's Sundial77%
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"Whenever a land you control enters, you may pay 
. If you do, draw a card."
. If you do, draw a card."
Gonti's Aether Heart77%
$0.46↑#3612↑0.71↑9.6 years↑
"Whenever this card or another artifact you control enters, you get ."
."
Riparian Tiger77%
$0.08↓#27400↓0.00↓9.9 years↑
"When this creature enters, you get ."
."
Solstice Zealot76%
$0.15↓#22832↓0.06↓2.2 years
"When this creature enters, you get ."
."