Crackdown Construct 
Artifact Creature — Construct
$0.11 #14496 0.19 9.7 years
Whenever you activate an ability of an artifact or creature that isn't a mana ability, this creature gets +1/+1 until end of turn.
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Cloudsculpt Technician76%
$0.11#24612↓0.00↓1.2 years↓
"As long as you control an artifact, this creature gets +1/+0."
Gearsmith Prodigy76%
$0.04↓#29184↓0.118.3 years↓
"This creature gets +1/+0 as long as you control an artifact."
Inventor's Apprentice76%
$0.04↓#28978↓0.00↓10.1 years
"This creature gets +1/+1 as long as you control an artifact."
Ceaseless Searblades76%
$0.23↑#30951↓0.00↓19.0 years↑
"Whenever you activate an ability of an Elemental, this creature gets +1/+0 until end of turn."
Court Homunculus76%
$0.08↓#26504↓0.00↓17.7 years↑
"This creature gets +1/+1 as long as you control another artifact."
Guidelight Optimizer76%
$0.22↑#10990↑0.121.7 years↓
"
: Add 
. Spend this mana only to cast an artifact spell or activate an ability."
: Add . Spend this mana only to cast an artifact spell or activate an ability."
Soldevi Machinist75%
$0.25↑#28027↓0.09↓31.4 years↑
": Add 
. Spend this mana only to activate abilities of artifacts."
: Add . Spend this mana only to activate abilities of artifacts."
Foundry Screecher74%
$0.09↓#25364↓0.00↓10.1 years
"This creature gets +1/+0 as long as you control an artifact."
Steelswarm Operator74%
$0.25↑#9026↑0.181.2 years↓
": Add . Spend this mana only to activate abilities of artifact sources."
: Add . Spend this mana only to activate abilities of artifact sources."
Forensic Gadgeteer73%
$2.04↑#1406↑0.252.7 years↓
"Activated abilities of artifacts you control cost 
less to activate. This effect can't reduce the mana in that cost to less than one mana."
less to activate. This effect can't reduce the mana in that cost to less than one mana."
Illusionist's Bracers72%
$4.22↑#1648↑0.35↑13.7 years↑
"Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy."
Hargilde, Kindly Runechanter72%
$0.36↑#171260.05↓5.0 years↓
": Add . Spend this mana only to cast artifact spells or activate abilities of artifacts."
: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts."
Molder Beast70%
$0.07↓#27313↓0.00↓16.1 years↑
"Whenever an artifact is put into a graveyard from the battlefield, this creature gets +2/+0 until end of turn."