Blazing Rootwalla {R}
Creature — Lizard
{R}: This creature gets +2/+0 until end of turn. Activate only once each turn.
Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
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.
Cinder Crawler 89%
$0.13#31612
"{R}: This creature gets +1/+0 until end of turn. Activate only if this creature is blocked."
Fire-Belly Changeling 89%
$0.21#12292
"{R}: This creature gets +1/+0 until end of turn. Activate no more than twice each turn."
Spitting Drake 89%
$0.11#31354
"{R}: This creature gets +1/+0 until end of turn. Activate only once each turn."
Fire Drake 89%
#31172
"{R}: This creature gets +1/+0 until end of turn. Activate only once each turn."
Dragon Whelp 89%
#18991
"{R}: This creature gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice this creature at the beginning of the next end step."
Nalathni Dragon 89%
$0.32#28552
"{R}: This creature gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice this creature at the beginning of the next end step."