Fear The Canvas

Foretell {2}{p/b}{p/b} & Thwart {4} (Counter this
spell. Any player may pay it, but they have to sacrifice a legendary Non-Aberration creature)
Creatures can't attack you or a planeswalker
you own unless {x} is payed for by their controller for each of those creatures, X
is the number of Aberrations they control.
(Maximum value of X can't be above 4)