Black Knifes Night

Choose two legendary creature: one you own and
one opponent own. Exile target opponent
creature and your own creature. The opponent
may create a zombie token 2/2, you may search
in your library for a creature named Ranni,
if you have one, then show it, and shuffle.
Tap the rest legendary creatures you dont control
and take down 2 loyalty counter of every
planeswalker you dont own.