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 - $6.146.000
Lightly Played - $5.841.100
Moderately Played - $5.231.200
Heavily Played - $4.611.900
Damaged - $4.307.000
Near Mint Spanish - $6.146.000
Lightly Played Spanish - $5.841.100
Moderately Played Spanish - $5.231.200
Heavily Played Spanish - $4.611.900
Damaged Spanish - $4.307.000