Cthulhu

When Cthulhu enters the battlefield each
player sacrifices two permanents if at least
two black was paid to cast this spell.
When Cthulhu enters the battlefield draw 4
cards and discard two cards if at least two blue
was paid to cast this spell.
When Cthulhu enters the battlefield each
player sacrifices two lands if at least two green
was paid to cast this spell.