Fist of Suns 
Artifact
£3.09 #4506 0.54 22.4 years
You may pay 
rather than pay the mana cost for spells you cast.
rather than pay the mana cost for spells you cast.Click a line or tag to filter
Cards similar to Fist of Suns 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.
Leyline of Mutation100%
£0.19↓#6653↓0.33↓2.1 years↓
"You may pay rather than pay the mana cost for spells you cast."
rather than pay the mana cost for spells you cast."
Jodah, Archmage Eternal98%
£0.48↓#5775↓0.95↑8.6 years↓
"You may pay rather than pay the mana cost for spells you cast."
rather than pay the mana cost for spells you cast."