Retaliation 

Enchantment
Creatures you control have "Whenever this creature becomes blocked by a creature, this creature gets +1/+1 until end of turn."
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.
Rabid Wolverines 81%
$0.09#30888
"Whenever this creature becomes blocked by a creature, this creature gets +1/+1 until end of turn."
Cave Tiger 81%
$0.16#29449
"Whenever this creature becomes blocked by a creature, this creature gets +1/+1 until end of turn."