Screeching Scorchbeast 


Creature — Bat Mutant
Flying, menace
Whenever this creature attacks, each player gets two rad counters.
Whenever one or more nonland cards are milled, you may create that many 2/2 black Zombie Mutant creature tokens. Do this only once each turn.
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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.
Vexing Radgull 84%
$0.56#4648
"Whenever this creature deals combat damage to a player, that player gets two rad counters if they don't have any rad counters. Otherwise, proliferate."
Nuka-Nuke Launcher 82%
$0.32#7100
"Whenever equipped creature attacks, until the end of defending player's next turn, that player gets two rad counters whenever they cast a spell."