Kenrith, Paragon of Courage

{g}: Kenrith, Paragon of Courage gets +1/+1 until
end of turn.
{1}{w}: Tap target creature.
{2}{u}: Counter target spell or ability that targets
you or a permanent you control.
{3}{b}: Destroy target creature or planeswalker.
You lose 3 life.
{4}{r}: Kenrith deals 5 damage to any target.