Wall of Caltrops 
Creature — Wall
$0.68 #26595 0.18 32.4 years
Defender (This creature can't attack.)
Whenever this creature blocks a creature, if at least one other Wall creature is blocking that creature and no non-Wall creatures are blocking that creature, this creature gains banding until end of turn. (If any creatures with banding you control are blocking a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by.)
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Cards similar to Wall of Caltrops expected a card that isn't here?
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Wall of Corpses77%
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Wall of Vapor76%
$0.13↓#224270.1132.4 years
"Defender"
Wall of Vipers74%
$0.17↓#292080.1126.4 years↓
"Defender"
Battering Ram74%
$0.09↓#253630.1232.6 years
"Whenever this creature becomes blocked by a Wall, destroy that Wall at end of combat."
Wall of Frost72%
$0.20↓#4932↑0.67↑17.3 years↓
"Whenever this creature blocks a creature, that creature doesn't untap during its controller's next untap step."
+1 more matching line
Wall of Razors72%
$0.31↓#218510.1828.6 years↓
"Defender"
Wall of Ice72%
$0.31↓#17299↑0.06↓33.2 years
"Defender"
Moat Piranhas72%
$0.16↓#253470.00↓7.3 years↓
"Defender"
Carnivorous Plant72%
$0.10↓#286330.00↓32.2 years
"Defender"
Murmuring Phantasm72%
$0.10↓#19501↑0.00↓13.5 years↓
"Defender"
Wall of Granite72%
$0.35↓#270020.06↓29.5 years↓
"Defender"
Steel Wall72%
$0.25↓#10348↑0.00↓23.0 years↓
"Defender"
Tundra Wall72%
$0.18↓#254900.04↓0.9 years↓
"Defender"
Wall of Torches72%
$0.25↓#255640.05↓15.3 years↓
"Defender"
Consulate Skygate72%
$0.10↓#14349↑0.00↓10.1 years↓
"Defender"
Blistering Barrier72%
$0.12↓#285320.06↓30.0 years↓
"Defender"
Ogre Sentry72%
$0.06↓#307530.2016.5 years↓
"Defender"