Electroduplicate 

Sorcery
Create a token that's a copy of target creature you control, except it has haste and "At the beginning of the end step, sacrifice this token."
Flashback {2}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
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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.
Kindle the Inner Flame 100%
$0.21#13868
"Create a token that's a copy of target creature you control, except it has haste and "At the beginning of the end step, sacrifice this token.""
+1 more matching line
Visions of Ruin 93%
$0.48#8420
"Flashback {8}{R}{R}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone."
Multiversal Recruitment 88%
$9.09#16637
"Create a token that's a copy of target creature you control, except it isn't legendary."
+1 more matching line
Quantum Misalignment 88%
$5.19#1879
"Create a token that's a copy of target creature you control, except it isn't legendary."
Cackling Counterpart 86%
$0.22#2892
"Create a token that's a copy of target creature you control."
+1 more matching line