Strategic Homeland Division

{+1} Whenever someone attacks you or you attack
them, +1 to the d20 die.
{+4} Whenever someone attacks you with their commander and the commander does commander
damage, +4 to the d20 die.
{-8} Select target creature of planeswalker and
sacrifice it, -8 to the d20 die.
{-20} Wipe the board, destroy all lands, artifacts, and sorcery, and sacrifice all creatures and planeswalkers, -20 to the d20 die.