Lugia, the Stormy Depths

Flying, islandwalk, islandhome.
{1}{u}{u}: Exchange control of two target lands.
Whenever any number of creatures attack you,
for each other creature you control, that creature
gets +0/+1 for each island the attacking player controls unless an opponent pays {2}.
It sleeps deep beneath the Whirl Islands to protect
Johto from its storms.