Gearsmith Guardian 
Artifact Creature — Construct
$0.06 #29413 0.00 8.3 years
This creature gets +2/+0 as long as you control a blue creature.
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Cards similar to Gearsmith Guardian expected a card that isn't here?
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Briarberry Cohort99%
$0.18↑#262870.0518.5 years↑
"This creature gets +1/+1 as long as you control another blue creature."
Minotaur Tactician96%
$0.06#321310.0025.4 years↑
"This creature gets +1/+1 as long as you control a blue creature."
Wingrattle Scarecrow82%
$0.52↑#11423↑0.0018.5 years↑
"This creature has flying as long as you control a blue creature."
Glade Gnarr82%
$0.06#319180.0025.4 years↑
"Whenever a player casts a blue spell, this creature gets +2/+2 until end of turn."
Sapphire Medallion81%
$7.87↑#354↑0.34↑29.0 years↑
"Blue spells you cast cost 
less to cast."
less to cast."
Hydro-Man, Fluid Felon79%
$0.36↑#11958↑0.19↑1.1 years↓
"Whenever you cast a blue spell, if this card is a creature, he gets +1/+1 until end of turn."
Watchwing Scarecrow79%
$0.26↑#19557↑0.18↑18.5 years↑
"This creature has flying as long as you control a blue creature."
Gravelgill Duo78%
$0.11↑#300480.0518.5 years↑
"Whenever you cast a blue spell, this creature gets +1/+1 until end of turn."
Paragon of Gathering Mists78%
$0.22↑#21406↑0.0012.3 years↑
"Other blue creatures you control get +1/+1."
Sunken City77%
$0.18↑#279000.0532.2 years↑
"Blue creatures get +1/+1."
Ana Sanctuary76%
$0.21↑#18585↑0.21↑25.4 years↑
"At the beginning of your upkeep, if you control a blue or black permanent, target creature gets +1/+1 until end of turn. If you control a blue permanent and a black permanent, that creature gets +5/+5 until end of turn instead."
Glen Elendra Liege75%
$0.93↑#5081↑0.0018.5 years↑
"Other blue creatures you control get +1/+1."
Thassa, Deep-Dwelling74%
$24.09↑#1317↑0.52↑6.7 years↓
"As long as your devotion to blue is less than five, this card isn't a creature."
Thistledown Liege74%
$0.57↑#13629↑0.13↑18.5 years↑
"Other blue creatures you control get +1/+1."
Ring of Evos Isle74%
$0.39↑#7260↑0.0014.3 years↑
"At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue."
Thassa, God of the Sea74%
$5.24↑#1966↑0.30↑13.1 years↑
"As long as your devotion to blue is less than five, this card isn't a creature."
Favor of the Overbeing74%
$0.39↑#8213↑0.14↑18.2 years↑
"As long as enchanted creature is blue, it gets +1/+1 and has flying."
Hate Weaver74%
$0.06#319930.0026.0 years↑
"
: Target blue or red creature gets +1/+0 until end of turn."
: Target blue or red creature gets +1/+0 until end of turn."
Murkfiend Liege73%
$2.15↑#2709↑0.51↑18.2 years↑
"Other blue creatures you control get +1/+1."
Mindwrack Liege72%
$0.26↑#19955↑0.27↑18.2 years↑
"Other blue creatures you control get +1/+1."