Creature — Leviathan
Jokulmorder
Trample This creature enters tapped. When this creature enters, sacrifice it unless you sacrifice five lands. This creature doesn't untap during your untap step. Whenever you play an Island, you may untap this creature.
From Magic: The Gathering.
Exact printings
Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6oj60edumppb1hxflwbqr3.