Glacial Crasher 
Creature — Elemental
$0.09 #31058 0.22 12.1 years
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature can't attack unless there is a Mountain on the battlefield.
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"This creature can't attack unless defending player controls a Mountain."
+1 more matching line
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$0.43↑#273850.00↓32.3 years↑
"This creature can't attack if it attacked during your last turn."
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"This creature can't attack unless there are five or more Islands on the battlefield."
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$0.17↑#266830.2531.3 years↑
"This creature can't attack unless defending player controls a Forest."
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$0.11↑#307320.00↓18.9 years↑
"This creature can't attack unless defending player controls an Island."
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$0.03↓#285350.2528.9 years↑
"This creature can't attack unless defending player controls an Island."
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$11.26↑#309860.40↑27.3 years↑
"This creature can't attack unless defending player controls an Island."
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$1.07↑#299210.52↑28.2 years↑
"This creature can't attack unless defending player controls an Island."
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"This creature can't attack unless defending player controls an Island."
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$0.17↑#250780.07↓28.5 years↑
"This creature can't attack unless defending player controls an Island."
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$1.97↑#302050.00↓27.3 years↑
"This creature can't attack unless defending player controls an Island."
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"This creature can't attack unless defending player controls an Island."
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"this card can't attack unless defending player controls an Island."
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"This creature can't attack unless you control more lands than defending player."