(/\\/) Eaolfin, Winter Thorn

You may only cast this spell if you control a
higher combined total of islands and swamps
than you do mountains and forests.
Whenever a permanent becomes tapped, it does
not untap during it's controller's next untap step.
{x}{w}{u/b}: Tap target creature or artifact. Then, distribute X -1/-1 counters among creatures you
don't control.