Duios, Enlightened Pacifist

Partner with Redgios, Flame of Insight
Prevent all damage that would be dealt to and by Duios, Enlightened Pacifist.
Whenever a creature attacks you or a
planeswalker you control, you may discard a card. If you do, remove that creature from combat. If
that creature attacking triggered an ability of a permanent an opponent controls, counter that ability.