Tithe Taker 

Creature — Human Soldier
During your turn, spells your opponents cast cost {1} more to cast and abilities your opponents activate cost {1} more to activate unless they're mana abilities.
Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)
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.
Delightful Discovery 90%
$0.27#15894
"This spell costs {1} less to cast for each spell your opponents have cast this turn."
Chandra's Incinerator 87%
$3.07#2569
"This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn."
Gnoll War Band 87%
$0.24#12487
"This spell costs {1} less to cast for each opponent who was dealt damage this turn."
Captain Mar-Vell, Space-Born 85%
$0.22#20100
"As long as an opponent has cast a spell this turn, you may cast spells as though they had flash."
Fast Forward 84%
$0.36#9862
"This spell costs {1} less to cast for each opponent you attacked this turn."