Ghostfire Blade 
Artifact — Equipment
$0.24 #20347 0.00 12.1 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 Drone78%
$0.03↓#28556↓0.0010.7 years↓
"At the beginning of your upkeep, you lose 1 life unless you control another colorless creature."
Herald of Kozilek77%
$0.36↑#6409↑0.29↑11.0 years↓
"Colorless spells you cast cost less to cast."
less to cast."