Guard Duty 
Enchantment — Aura
$0.09 #22419 0.27 16.5 years
Enchant creature
Enchanted creature has defender.
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Cards similar to Guard Duty expected a card that isn't here?
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Candletrap95%
$0.24↑#17277↑0.44↑5.1 years↓
"Enchanted creature has defender."
Zephyr Net94%
$0.26↑#29416↓0.07↓19.0 years↑
"Enchanted creature has defender and flying."
+1 more matching line
Stasis Field90%
$0.18↑#13767↑0.39↑3.5 years↓
"Enchanted creature has base power and toughness 0/2, has defender, and loses all other abilities."
Sky Tether88%
$0.07↓#226620.307.7 years↓
"Enchanted creature has defender and loses flying."
Gelid Shackles87%
$0.28↑#17148↑0.2720.2 years↑
"
: Enchanted creature gains defender until end of turn."
: Enchanted creature gains defender until end of turn."+1 more matching line
Arcane Flight83%
$0.13↑#13343↑0.238.5 years↓
"Enchant creature"
Marked by Honor82%
$0.05↓#229230.00↓12.3 years↓
"Enchant creature"
Lightning Talons82%
$0.05↓#217940.00↓18.0 years↑
"Enchant creature"
Spider-Man No More82%
$0.19↑#7883↑0.59↑1.1 years↓
"Enchanted creature is a Citizen with base power and toughness 1/1. It has defender and loses all other abilities."
Eel Umbra82%
$0.14↑#5789↑0.05↓16.5 years
"Enchant creature"
Aspect of Gorgon82%
$0.26↑#15485↑0.00↓12.5 years↓
"Enchant creature"
Deep Freeze82%
$0.21↑#183540.298.5 years↓
"Enchanted creature has base power and toughness 0/4, has defender, loses all other abilities, and is a blue Wall in addition to its other colors and types."
+1 more matching line
Spiteful Motives82%
$0.05↓#258790.00↓10.5 years↓
"Enchant creature"
Madcap Skills82%
$0.15↑#13013↑0.06↓13.7 years↓
"Enchant creature"
Lifelink81%
$0.28↑#10556↑0.07↓17.3 years
"Enchant creature"
Mark of the Vampire81%
$0.13↑#15612↑0.00↓14.3 years↓
"Enchant creature"
Boar Umbra81%
$0.26↑#7988↑0.06↓16.5 years
"Enchant creature"
Mantle of Webs81%
$0.22↑#243380.00↓11.3 years↓
"Enchant creature"
Spider Umbra80%
$0.33↑#5940↑0.3516.5 years
"Enchant creature"
Fog on the Barrow-Downs80%
$0.11↑#182880.42↑3.3 years↓
"Enchant creature"