Selfcraft Mechan 
Artifact Creature — Robot Artificer
$0.13 #20677 0.13 1.1 years
When this creature enters, you may sacrifice an artifact. When you do, put a +1/+1 counter on target creature and draw a card.
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Glorifier of Suffering80%
$0.17↑#210300.00↓2.8 years↑
"When this creature enters, you may sacrifice another creature or artifact. When you do, put a +1/+1 counter on each of up to two target creatures."
General Traag, Heart of Stone78%
$0.14↑#26072↓0.00↓0.5 years
"When this card enters, you may sacrifice another artifact. When you do, this card deals 4 damage to target creature."
Undercity Eliminator76%
$0.17↑#15122↑0.60↑2.6 years↑
"When this creature enters, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls."
Buzzard-Wasp Colony76%
$0.19↑#15422↑0.00↓0.8 years
"When this creature enters, you may sacrifice an artifact or creature. If you do, draw a card."
K'un-Lun Warrior75%
$0.11↓#244050.00↓0.2 years
"When this creature enters, you may sacrifice an artifact or discard a card. If you do, draw a card."
Unscrupulous Contractor73%
$0.16↑#12493↑0.29↑2.4 years↑
"When this creature enters, you may sacrifice a creature. When you do, target player draws two cards and loses 2 life."
Cornered Crook72%
$0.08↓#28854↓0.27↑2.6 years↑
"When this creature enters, you may sacrifice an artifact. When you do, this creature deals 3 damage to any target."
Invasion of New Capenna // Holy Frazzle-Cannon72%
$0.22↑#9724↑0.41↑3.4 years↑
"When this Siege enters, you may sacrifice an artifact or creature. When you do, exile target artifact or creature an opponent controls."
Shrapnel Slinger71%
$0.12↓#204970.27↑3.6 years↑
"When this creature enters, you may sacrifice a creature. When you do, destroy target artifact an opponent controls."
The Sackville-Bagginses70%
$0.69↑#11442↑0.00↓0.1 years↓
"When this card enter, you may sacrifice another creature or artifact. If you do, draw a card and create a Treasure token."