Leviathan 
Creature — Leviathan
$0.29 #25440 0.06 32.1 years
Trample
This creature enters tapped and doesn't untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap this creature.
This creature can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)
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Cards similar to Leviathan expected a card that isn't here?
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"this card enters tapped and doesn't untap during your untap step."
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"this card enters tapped and doesn't untap during your untap step."
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"This creature doesn't untap during your untap step."
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"This creature doesn't untap during your untap step."
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"This creature doesn't untap during your untap step."
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"This creature can't attack unless defending player controls an Island."
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"This creature can't attack unless there are five or more Islands on the battlefield."
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"This creature doesn't untap during your untap step."
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"This creature doesn't untap during your untap step."
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"This creature doesn't untap during your untap step."
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"This creature doesn't untap during your untap step."
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"Whenever this creature attacks, sacrifice it unless you sacrifice an Island."
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"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 creature doesn't untap during your untap step."
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"This creature doesn't untap during your untap step."
+1 more matching line