Sakashima the Impostor {2}{U}{U}
Legendary Creature — Human Rogue
You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return Sakashima the Impostor to its owner's hand at the beginning of the next end step."
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.
Superior Spider-Man 83%
$1.83#7692
"You may have this card enter as a copy of any creature card in a graveyard, except his name is this card and he's a 4/4 Spider Human Hero in addition to his other types. When you do, exile that card."
Chameleon, Master of Disguise 81%
#2202
"You may have this card enter as a copy of a creature you control, except his name is this card."