Izzet Generatorium 

Artifact
If you would get one or more {E} (energy counters), you get that many plus one {E} instead.
{T}: Draw a card. Activate only if you've paid or lost four or more {E} this turn.
click a line to search just that ability, click more to combine them
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.
Resonating Lute 99%
$1.53#3793
"{T}: Draw a card. Activate only if you have seven or more cards in your hand."
Magus of the Library 99%
$0.47#18010
"{T}: Draw a card. Activate only if you have exactly seven cards in hand."
Lu Su, Wu Advisor 99%
$42.43#27977
"{T}: Draw a card. Activate only during your turn, before attackers are declared."
Talas Researcher 99%
#29303
"{T}: Draw a card. Activate only during your turn, before attackers are declared."
Aether Refinery 82%
$0.87#5287
"If you would get one or more {E} , you get twice that many {E} instead."
+1 more matching line
Fa'adiyah Seer 81%
$0.17#21012
"{T}: Draw a card and reveal it. If it isn't a land card, discard it."