Ghostfire Blade 
Artifact — Equipment
$0.30 #20182 0.27 11.9 years
Equipped creature gets +2/+2.
Equip 
This Equipment's equip ability costs 
less to activate if it targets a colorless creature.
less to activate if it targets a colorless creature.Click a line or tag to filter
Cards similar to Ghostfire Blade 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.
Reaver Drone80%
$0.05↓#28375↓0.2410.6 years↓
"At the beginning of your upkeep, you lose 1 life unless you control another colorless creature."
Herald of Kozilek77%
$0.37↑#6236↑0.07↓10.9 years↓
"Colorless spells you cast cost less to cast."
less to cast."