Cross the Frozen Wastes

No more than three creatures can attack you or a planeswalker you control each combat. When ever a creature attacks you or a planeswalker you control, that creature does not untap during it's controllers next untap phase.
"It's in the middle of no where, there's nothing but ice and snow for between us and the next closest town..... Why are we even bother coming out here?" -Wedge, Imperial Soldier