Arthur Czar, Faction's Eye

First Strike
{1}{r}: Arthur gets +2/+1 until another activated ability of his is activated
{1}{u}: Create two 1/1 drone construct tokens with flying. Arthur gets +1/+0 until another activated ability of his is activated
{1}{g}: Arthur gets +1/+3 and reach until another activated ability of his is activated
{1}{w}: Arthur gets wither until another activated ability of his is activated
{3}{b}: Transform Arthur