Mark, herald of the Empire

Double-strike, Haste, Trample
{w}{t}: Create a 1/1 white human creature token
{r}{t}: Create a 2/2 red human knight creature token
{g}{t}: Create a 3/3 green Dinosaur creature token
As long as you control Mark, white creatures gain +4/+4, red creatures gain +3/+3, and green creatures gain +2/+2