Doombot Harbinger 

Artifact Creature — Robot Villain
$0.26 #19068 0.00 0.2 years
Flying
When this creature enters, you may mill four cards. (You may put the top four cards of your library into your graveyard.)
When this creature dies, you may exile this card. When you do, return target creature card from your graveyard to your hand.
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Cards similar to Doombot Harbinger expected a card that isn't here?
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Undead Butler100%
$0.28↑#4336↑0.034.8 years↑
"When this creature dies, you may exile it. When you do, return target creature card from your graveyard to your hand."
+1 more matching line
Sylvan Hierophant92%
$0.29↑#29166↓0.0829.2 years↑
"When this creature dies, exile it, then return another target creature card from your graveyard to your hand."
Paramecia Coloniex90%
$0.24↓#184930.000.5 years
"When this creature enters, mill three cards."
+1 more matching line
Eerie Soultender90%
$0.10↓#174360.27↑4.0 years↑
"When this creature enters, mill three cards."
+1 more matching line
Dutiful Attendant84%
$0.22↓#14994↑0.0011.4 years↑
"When this creature dies, return another target creature card from your graveyard to your hand."
Carrion Thrash84%
$0.16↓#28874↓0.19↑17.9 years↑
"When this creature dies, you may pay
. If you do, return another target creature card from your graveyard to your hand."
Mineshaft Spider80%
$0.21↓#196250.27↑2.8 years↑
"When this creature enters, you may mill two cards."
Deathcap Marionette80%
$0.16↓#10955↑0.002.8 years↑
"When this creature enters, you may mill two cards."