Estrid's Invocation {2}{U}
Enchantment
You may have this enchantment enter as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."
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.
Copy Enchantment 92%
$1.82#2182
"You may have this enchantment enter as a copy of any enchantment on the battlefield."
Mirrormade 89%
$2.59#1181
"You may have this enchantment enter as a copy of any artifact or enchantment on the battlefield."