Boxing Ring 
Artifact
$0.49 #9666 0.58 4.4 years
Whenever a creature you control enters, it fights up to one target creature you don't control with the same mana value.
: Create a Treasure token. Activate only if you control a creature that fought this turn.Click a line or tag to filter
Cards similar to Boxing Ring 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.
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"Whenever this creature or another creature you control enters, this creature fights up to one target creature you don't control."
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"When this creature enters, you may have it fight target creature you don't control."
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"• Dragons — Whenever a creature you control with flying enters, you may have it fight target creature you don't control."
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"When this creature enters, it fights up to one target creature you don't control."
Glittermonger72%
$0.25↓#14339↓0.25↓4.4 years
": Create a Treasure token."
: Create a Treasure token."
Pheres-Band Brawler72%
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"When this creature enters, it fights up to one target creature you don't control."
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"
, : Create a Treasure token."
, : Create a Treasure token."
Black Market Tycoon70%
$0.29↓#113450.22↓4.4 years
": Create a Treasure token."
: Create a Treasure token."
Affectionate Indrik70%
$0.07↓#20619↓0.00↓7.9 years↑
"When this creature enters, you may have it fight target creature you don't control."
Somberwald Stag70%
$0.07↓#24209↓0.33↓10.1 years↑
"When this creature enters, you may have it fight target creature you don't control."