Rhystic Syphon 


Sorcery
Unless target player pays {3}, that player loses 5 life and you gain 5 life.
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.
Morsel Theft 81%
$0.18#26497
"Target player loses 3 life and you gain 3 life. If this spell's prowl cost was paid, draw a card."
Exotic Disease 81%
$0.26#29818
"Target player loses X life and you gain X life, where X is the number of basic land types among lands you control."