Master Transmuter 
Artifact Creature — Human Artificer
$1.24 #2385 0.43 17.7 years
, 
, Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.Click a line or tag to filter
Cards similar to Master Transmuter 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.
Esperzoa86%
$0.19↓#21962↓0.00↓17.7 years
"At the beginning of your upkeep, return an artifact you control to its owner's hand."
Salvage Scuttler81%
$0.04↓#24464↓0.00↓9.7 years↓
"Whenever this creature attacks, return an artifact you control to its owner's hand."
Drafna, Founder of Lat-Nam80%
$0.37↓#6767↓0.473.9 years↓
"
: Return target artifact you control to its owner's hand."
: Return target artifact you control to its owner's hand."
Copper Gnomes78%
$2.64↑#20090↓0.28↓28.0 years↑
"
, Sacrifice this creature: You may put an artifact card from your hand onto the battlefield."
, Sacrifice this creature: You may put an artifact card from your hand onto the battlefield."
Ingenuity Engine74%
$0.30↓#9474↓0.07↓5.9 years↓
", , Sacrifice an artifact: Return target artifact you control to its owner's hand."
, , Sacrifice an artifact: Return target artifact you control to its owner's hand."
Jhoira, Ageless Innovator74%
$0.24↓#10354↓0.334.1 years↓
": Put two ingenuity counters on this card, then you may put an artifact card with mana value X or less from your hand onto the battlefield, where X is the number of ingenuity counters on this card."
: Put two ingenuity counters on this card, then you may put an artifact card with mana value X or less from your hand onto the battlefield, where X is the number of ingenuity counters on this card."
Retract73%
$5.32↑#13241↓0.25↓22.7 years↑
"Return all artifacts you control to their owner's hand."
Arms Race71%
$0.12↓#22698↓0.12↓3.9 years↓
"
: You may put an artifact card from your hand onto the battlefield. That artifact gains haste. Sacrifice it at the beginning of the next end step."
: You may put an artifact card from your hand onto the battlefield. That artifact gains haste. Sacrifice it at the beginning of the next end step."
Thran Temporal Gateway70%
$0.51↓#9726↓0.65↑8.5 years↓
", : You may put a historic permanent card from your hand onto the battlefield."
, : You may put a historic permanent card from your hand onto the battlefield."
Dakkon, Shadow Slayer70%
$0.65↓#11130↓0.19↓5.5 years↓
"−6: You may put an artifact card from your hand or graveyard onto the battlefield."
Glint Hawk70%
$1.45↑#21954↓0.00↓16.1 years↓
"When this creature enters, sacrifice it unless you return an artifact you control to its owner's hand."