Jokulmorder

Jokulmorder {4}{U}{U}{U}

Creature - Leviathan | Power/Toughness: 12 / 12 (CMC 7)
Trample
Jokulmorder enters the battlefield tapped.
When Jokulmorder enters the battlefield, sacrifice it unless you sacrifice five lands.
Jokulmorder doesn't untap during your untap step.
Whenever you play an Island, you may untap Jokulmorder.
  • [CSP] Coldsnap #37 (R)