Voltaic Key 
Artifact
$4.85 #1757 0.42 27.9 years
Click a line or tag to filter
Cards similar to Voltaic Key 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.
Voltaic Servant92%
$0.22↓#10321↓0.20↓8.4 years↓
"At the beginning of your end step, untap target artifact."
Teferi, Timebender80%
$1.47↓#17025↓0.27↓8.4 years↓
"+2: Untap up to one target artifact or creature."
Elder Druid80%
$0.23↓#26175↓0.06↓31.3 years↑
"
,
: You may tap or untap target artifact, creature, or land."
Corridor Monitor80%
$0.12↓#8979↓0.436.9 years↓
"When this creature enters, untap target artifact or creature you control."
Janjeet Sentry78%
$0.09↓#21781↓0.05↓9.9 years↓
"
, Pay 
: You may tap or untap target artifact or creature."
Clock of Omens78%
$4.49↓#17250.81↑22.3 years↓
"Tap two untapped artifacts you control: Untap target artifact."
Unwinding Clock77%
$19.49↑#548↑1.18↑15.3 years↓
"Untap all artifacts you control during each other player's untap step."