Ghostfire Blade {1}
Artifact — Equipment
Equipped creature gets +2/+2.
Equip {3}
This Equipment's equip ability costs {2} less to activate if it targets a colorless creature.
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.
Helitrooper 84%
$0.17#8105
"Equip abilities you activate that target this creature cost {2} less to activate."
Fervent Champion 84%
$0.34#8175
"Equip abilities you activate that target this creature cost {3} less to activate."