Floating Island

Floating Island enters the battlefield tapped
When Floating Island enters the battlefield, choose
two target land you control, one becomes an island
in adition to it's other types, the other a forest
{t}Add {g} or{u}
{t}Target creature gets +x/+x trample until end of turn, where x is half the number of forest you control, rounded down
{t}scry x, where x is half the number of island you control, round down