Dark Sage Walker

If combate damage would be dealt to Dark Sage
Walker- reduce damage to zero.
{1}{p/w} : Untap and remove target attacking
Creature from combat.
{2}{p/b}: Counter target Creature spell.
{2}{p/r} : Counter target Artifact spell.
{1}{p/g} : Return target enchantment to owners
hand.
{3}{b}: Pay 2 life, counter target non-Creature
spell.