Kukemssa Serpent 

Creature — Serpent
$0.11 #28948 0.00 30.0 years
This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
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Cards similar to Kukemssa Serpent expected a card that isn't here?
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Dreamwinder98%
$0.07↓#302520.0625.1 years↓
"
, Sacrifice an Island: Target land becomes an Island until end of turn."
+1 more matching line
Manta Ray96%
$0.15↑#250540.0029.4 years
"When you control no Islands, sacrifice this creature."
+1 more matching line
Sea Serpent96%
$0.10↓#290770.44↑33.2 years↑
"When you control no Islands, sacrifice this creature."
+1 more matching line
Slipstream Serpent94%
$0.04↓#293620.12↑20.0 years↓
"When you control no Islands, sacrifice this creature."
+1 more matching line
Dandân94%
$1.34↑#21784↑0.33↑32.8 years↑
"When you control no Islands, sacrifice this creature."
+1 more matching line
Vodalian Knights92%
$1.01↑#299280.0732.0 years↑
"When you control no Islands, sacrifice this creature."
+1 more matching line
Pirate Ship92%
$0.45↑#21999↑0.16↑33.2 years↑
"When you control no Islands, sacrifice this creature."
+1 more matching line
Steam Frigate91%
$0.25↑#310150.61↑28.3 years↓
"This creature can't attack unless defending player controls an Island."
Red Cliffs Armada91%
$10.74↑#312190.0527.5 years↓
"This creature can't attack unless defending player controls an Island."
Sea Monster91%
$0.05↓#288030.0029.0 years↓
"This creature can't attack unless defending player controls an Island."
Wu Warship91%
$1.97↑#304740.12↑27.5 years↓
"This creature can't attack unless defending player controls an Island."
Deep-Sea Serpent91%
$0.39↑#306500.31↑29.5 years
"This creature can't attack unless defending player controls an Island."
Armored Galleon91%
$1.07↑#300620.0028.3 years↓
"This creature can't attack unless defending player controls an Island."
Hammerhead Shark91%
$0.17↑#253920.0028.6 years↓
"This creature can't attack unless defending player controls an Island."
Zhou Yu, Chief Commander91%
$150.00↑#297150.26↑27.5 years↓
"this card can't attack unless defending player controls an Island."
Merchant Ship90%
$42.56↑#287710.12↑32.8 years↑
"When you control no Islands, sacrifice this creature."
+1 more matching line
Ethereal Whiskergill90%
$0.25↑#310620.0019.0 years↓
"This creature can't attack unless defending player controls an Island."
Island Fish Jasconius90%
$0.32↑#269030.0032.8 years↑
"When you control no Islands, sacrifice this creature."
+1 more matching line