Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)
Near Mint - $6.287.800
Lightly Played - $5.975.800
Moderately Played - $5.351.900
Heavily Played - $4.718.300
Damaged - $4.406.300
Near Mint Spanish - $6.287.800
Lightly Played Spanish - $5.975.800
Moderately Played Spanish - $5.351.900
Heavily Played Spanish - $4.718.300
Damaged Spanish - $4.406.300