Markus, Inspiring Leader

Partner with North, Vehement Lover (When this creature enters the battlefield, target player may put into their hand from their library, then shuffle.)
As Markus enters the battlefield, choose War or Peace, if War, other creatures you control get +2/+0 for as long as you control Markus, if Peace, other creatures you control get +0/+3 for as long as you control Markus.