Adaptive Automaton 
Artifact Creature — Construct
$0.43 #1759 0.15 15.1 years
As this creature enters, choose a creature type.
This creature is the chosen type in addition to its other types.
Other creatures you control of the chosen type get +1/+1.
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Cards similar to Adaptive Automaton expected a card that isn't here?
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Metallic Mimic98%
$1.34↑#985↑0.159.6 years↓
"This creature is the chosen type in addition to its other types."
+2 more matching lines
Rally the Ranks98%
$0.36↓#4621↓0.145.6 years↓
"Creatures you control of the chosen type get +1/+1."
+1 more matching line
Instruments of War98%
$0.38↓#13991↓0.27↑3.8 years↓
"Creatures you control of the chosen type get +1/+1."
+1 more matching line
Shared Triumph96%
$4.03↑#16548↓0.00↓23.9 years↑
"Creatures of the chosen type get +1/+1."
+1 more matching line
Vanquisher's Banner96%
$5.20↑#372↑0.26↑8.9 years↓
"Creatures you control of the chosen type get +1/+1."
+1 more matching line
Obelisk of Urd95%
$2.73↑#4019↓0.2112.1 years↓
"Creatures you control of the chosen type get +2/+2."
+1 more matching line
Brass Herald94%
$0.15↓#14391↓0.04↓25.3 years↑
"Creatures of the chosen type get +1/+1."
+1 more matching line
Etchings of the Chosen94%
$0.33↓#3116↓0.167.2 years↓
"Creatures you control of the chosen type get +1/+1."
+1 more matching line
An Unexpected Party // At the Door93%
$0.40↓#11814↓0.00↓0.1 years↓
"Creatures you control of the chosen type get +2/+2."
+1 more matching line
Icon of Ancestry92%
$0.40↓#2384↓0.197.2 years↓
"Creatures you control of the chosen type get +1/+1."
+1 more matching line
Patchwork Banner92%
$2.58↑#199↑0.50↑2.1 years↓
"Creatures you control of the chosen type get +1/+1."
+1 more matching line
Chronicle of Victory92%
$20.80↑#16100.00↓0.6 years↓
"As this card enters, choose a creature type."
+1 more matching line
Tribal Unity90%
$0.43#17258↓0.00↓23.9 years↑
"Creatures of the creature type of your choice get +X/+X until end of turn."
Door of Destinies90%
$2.62↑#1076↑0.47↑18.6 years↑
"Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact."
+1 more matching line
Lifecraft Engine88%
$0.23↓#5902↓0.26↑1.6 years↓
"Each creature you control of the chosen type other than this Vehicle gets +1/+1."
+2 more matching lines
Benalish Marshal88%
$0.48↑#7850↓0.44↑8.4 years↓
"Other creatures you control get +1/+1."
Kongming, "Sleeping Dragon"88%
$0.18↓#17673↓0.42↑27.3 years↑
"Other creatures you control get +1/+1."
Morophon, the Boundless88%
$8.27↑#15580.67↑7.2 years↓
"Other creatures you control of the chosen type get +1/+1."
+1 more matching line
Gaea's Anthem88%
$0.25↓#8921↓0.00↓19.6 years↑
"Creatures you control get +1/+1."
Anthem of Champions88%
$0.25↓#6356↓0.141.8 years↓
"Creatures you control get +1/+1."