Copper Gnomes 
Artifact Creature — Gnome
$2.29 #20007 0.35 27.9 years
, Sacrifice this creature: You may put an artifact card from your hand onto the battlefield.Click a line or tag to filter
Cards similar to Copper Gnomes 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.
Arms Race80%
$0.10↓#222520.11↓3.8 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."
Jhoira, Ageless Innovator80%
$0.28↓#10178↑0.22↓4.0 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."
Master Transmuter78%
$4.74↑#2430↑0.62↑17.6 years↓
"
, , Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield."
, , Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield."
Origin of Iron Man77%
$0.29↓#205740.00↓0.2 years↓
"You may put an artifact card with mana value 5 or less from your hand onto the battlefield."
Thran Temporal Gateway74%
$0.53↓#9632↑0.60↑8.4 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 Slayer73%
$0.61↓#11085↑0.255.3 years↓
"−6: You may put an artifact card from your hand or graveyard onto the battlefield."