Brash Taunter 
Creature — Goblin
$1.61 #790 0.49 6.2 years
Indestructible
Whenever this creature is dealt damage, it deals that much damage to target opponent.
, 
: This creature fights another target creature.Click a line or tag to filter
Cards similar to Brash Taunter 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.
Mogg Maniac93%
$0.35↓#11772↓0.4428.5 years↑
"Whenever this creature is dealt damage, it deals that much damage to target opponent or planeswalker."
Tephraderm92%
$0.24↓#27989↓0.31↓23.9 years↑
"Whenever a spell deals damage to this creature, this creature deals that much damage to that spell's controller."
Wall of Souls92%
$2.06↑#16164↓0.29↓28.5 years↑
"Whenever this creature is dealt combat damage, it deals that much damage to target opponent or planeswalker."
Donna Noble90%
$0.42↓#10942↓0.502.9 years↓
"Whenever this card or a creature it's paired with is dealt damage, this card deals that much damage to target opponent."
Spitemare90%
$0.33↓#12410↓0.73↑18.1 years↑
"Whenever this creature is dealt damage, it deals that much damage to any target."
Truefire Captain88%
$0.24↓#12709↓0.20↓7.9 years↑
"Whenever this creature is dealt damage, it deals that much damage to target player."
Boros Reckoner87%
$0.28↓#6342↓0.17↓13.6 years↑
"Whenever this creature is dealt damage, it deals that much damage to any target."
Ulvenwald Tracker86%
$5.60↑#2964↓0.22↓14.3 years↑
"
, : Target creature you control fights another target creature."
, : Target creature you control fights another target creature."
Stuffy Doll85%
$5.73↑#2248↓0.69↑19.9 years↑
"Whenever this creature is dealt damage, it deals that much damage to the chosen player."
+1 more matching line
Black Panther, Most Dangerous82%
$0.37↓#18833↓0.00↓0.2 years↓
"Whenever this card is dealt damage, he deals that much damage to any other target."
Blazing Sunsteel82%
$15.51↑#6474↓0.575.8 years
"Whenever equipped creature is dealt damage, it deals that much damage to any target."
Wayta, Trainer Prodigy82%
$0.41↓#8374↓0.20↓2.8 years↓
", : Target creature you control fights another target creature. This ability costs less to activate if it targets two creatures you control."
, : Target creature you control fights another target creature. This ability costs less to activate if it targets two creatures you control."+1 more matching line
Ill-Tempered Loner // Howlpack Avenger80%
$0.41↓#7185↓0.25↓4.8 years↓
"Whenever this creature is dealt damage, it deals that much damage to any target."
Screaming Nemesis79%
$6.29↑#3741↓0.90↑1.9 years↓
"Whenever this creature is dealt damage, it deals that much damage to any other target. If a player is dealt damage this way, they can't gain life for the rest of the game."
Polukranos, Unchained78%
$0.74↓#11827↓0.29↓6.6 years
"
: this card fights another target creature."
: this card fights another target creature."
Pain for All78%
$0.75↓#2976↓0.421.1 years↓
"Whenever enchanted creature is dealt damage, it deals that much damage to each opponent."
Wrathful Red Dragon78%
$6.44↑#2260↓0.444.2 years↓
"Whenever a Dragon you control is dealt damage, it deals that much damage to any target that isn't a Dragon."
Fiendlash78%
$0.39↓#4978↓0.33↓5.1 years↓
"Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker."
Justice78%
$0.21↓#27518↓0.12↓31.3 years↑
"Whenever a red creature or spell deals damage, this enchantment deals that much damage to that creature's or spell's controller."
Spiteful Sliver78%
$2.07↑#4756↓0.64↑7.2 years↑
"Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker.""