Illusionist's Bracers 
Artifact — Equipment
Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy.
Equip {3}
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.
Blade of Shared Souls 89%
$0.32#12065
"Whenever this Equipment becomes attached to a creature, for as long as this Equipment remains attached to it, you may have that creature become a copy of another target creature you control."
+1 more matching line
Battlemage's Bracers 88%
$3.59#5374
"Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy."
+1 more matching line
Mirrormind Crown 88%
$0.90#5123
"As long as this Equipment is attached to a creature, the first time you would create one or more tokens each turn, you may instead create that many tokens that are copies of equipped creature."
+1 more matching line
Bloodforged Battle-Axe 87%
$2.36#1697
"Whenever equipped creature deals combat damage to a player, create a token that's a copy of this Equipment."
+1 more matching line
Assimilation Aegis 86%
$0.41#9897
"Whenever this Equipment becomes attached to a creature, for as long as this Equipment remains attached to it, that creature becomes a copy of a creature card exiled with this Equipment."
Spellbinder 81%
$6.40#15151
"Whenever equipped creature deals combat damage to a player, you may copy the exiled card. If you do, you may cast the copy without paying its mana cost."
+1 more matching line
Inquisitor's Flail 81%
$1.39#4198
"If another creature would deal combat damage to equipped creature, it deals double that damage to equipped creature instead."
+1 more matching line