Burning-Tree Shaman 


Creature — Centaur Shaman
Whenever a player activates an ability that isn't a mana ability, this creature deals 1 damage to that player.
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.
Flamescroll Celebrant // Revel in Silence 84%
$0.22#11552
"Whenever an opponent activates an ability that isn't a mana ability, this creature deals 1 damage to that player."