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 - $6.450.000
Lightly Played - $6.130.000
Moderately Played - $5.490.000
Heavily Played - $4.840.000
Damaged - $4.520.000
Near Mint Spanish - $6.450.000
Lightly Played Spanish - $6.130.000
Moderately Played Spanish - $5.490.000
Heavily Played Spanish - $4.840.000
Damaged Spanish - $4.520.000